MX2015005269A

MX2015005269A - Dihydropyrone compounds and herbicides comprising the same.

Info

Publication number: MX2015005269A
Application number: MX2015005269A
Authority: MX
Inventors: Yosuke Nakashima; Yoshinobu Jin
Original assignee: Sumitomo Chemical Co
Priority date: 2012-11-28
Filing date: 2013-11-27
Publication date: 2015-07-14
Also published as: US9758502B2; JP2016503428A; JP6205427B2; BR112015010873A2; ES2613875T3; ZA201502710B; CN104797567B; CL2015001404A1; CN104797567A; KR20150090912A; AR093634A1; AU2013352998A1; WO2014084407A1; EP2925736B1; IL238350A0; DK2925736T3; US20150299156A1; PL2925736T3; CA2889200A1; AU2013352998B2

Abstract

The present invention provides a compound having an excellent efficacy for controlling weeds. A dihydropyrone compound of formula (I): wherein m is 1, 2 or 3; n is an integer of any one of 1 to 5; X represents O, S, S(O) or S(O)2; R1 represents a hydrogen atom or a methyl group; R2 and R3 represents a hydrogen atom, an C1-6 alkyl group and the like; when X represents S, S(O) or S(O)2, R4 represents an C1-6 alkyl group, a C1-6 haloalkyl group, an C6-10 aryl group or a five- to six- membered heteroaryl group, and X represents O, S, S(O) or S(O)2, R4 represents an C6-10 aryl group or a five- to six- membered heteroaryl group; G represents a hydrogen atom and the like; Z represents a halogen atom, a cyano group, a nitro group, a phenyl group, an C1-6 alkyl group and the like; is useful as an active ingredient for herbicides.

Description

COMPOUNDS OF D1HIDROPIRONE AND HERBICIDES THAT THE UNDERSTAND Field of the Invention The present invention relates to compounds of, dihydropyrone and herbicides comprising them.

Background of the Invention Up to now, some compounds have been developed that are useful as active ingredients in herbicides to control weeds and some compounds that have an efficacy to control weeds were found.

Some dihydropyrone compounds having herbicidal activity are known (see patent documents 1 to 3).

LIST OF APPOINTMENTS DOCUMENTS OF PATENT Patent Document 1: JP 9-505294 A Patent Document 2: JP 2004-501144 A Patent Document 3: JP 2008-505063 A Brief Description of the Invention It is an object of the present invention to provide a compound that has excellent efficiency in controlling weeds.

The present inventors studied intensively to find that the compounds have excellent efficacy for controlling pests and as a result, found that a compound Ref .: 255972 of dihydropyrone of the following formula (I) has excellent efficacy for controlling pests, thus completing the present invention.

Specifically, the present invention includes the following items [1] to [11].

A dihydropyrone compound of the formula (I): where m is 1, 2 or 3; n is an integer of any of 1 to 5; X represents 0, S, S (O) or S (O) 2, R1 represents a hydrogen atom or a methyl group; R2 and R3 represent, independently of one another, a hydrogen atom, a halogen atom, an alkyl group of Ci-6, a haloalkyl group of Ci-6, a cycloalkyl group of C3-so one halocycloalkyl group C3- 8, alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 or R2 and R3 combine with each other to represent a C1-3 alkylidene group which optionally has one or more halogen atoms (always that, when m is 2 or 3, two or three R 2 may be the same or different from each other and two or three R 3 may be the same or different from each other); when X represents S, S (0) or S (0) 2, R4 represents a C3-7 cycloalkyl group optionally substituted with methyl group or ethyl group, an alkyl group of Ci-ib, a haloalkyl group of Ci-ib, a group (Ci-b alkoxy) C1-12 alkyl, -alkyl (Ci-e alkylthio) C1-12, C3-18 alkenyl group, C3-18 haloalkenyl group, C3-18 alkynyl group, C3-18 haloalkynyl group, a group Ce-io aryl or a five or six membered heteroaryl group. { provided that the C6-10 aryl group and the five or six member heteroaryl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-b) alkylamino, a group (Ci_6 alkyl) (Ci-b) alkylamino, a pentafluorothio group, a C 1-6 alkyl group, a C 2-6 alkenyl group, an alkynyl group of C2-6, C1-6 alkoxy group, an alkylthio group of C1-6, C3-6 alkenyloxy group, an alkynyloxy group C3-6, aryl group of C6-io aryloxy group of C6- 10 C1-6 alkylsulfinyl, C1-6 alkylsulfonyl group, a hydroxyl group, an (alkyl of Ci-6) alkoxycarbonyl, a hydroxycarbonyl group, an (alkoxy Ci-b) carbonyl group and (C6-10 aryl) -C1-6 alkoxy and, when there are two or more substituents, the substituents may be the same or different from each other; and C 1-6 alkyl group, C 2-6 alkenyl group, C 2-6 alkynyl group, C 1-6 alkoxy group, C 1-6 alkylthio group, C 3-6 alkenyloxy group, C3-6 alkynyloxy group, C6-10 aryl group, C6-10 aryloxy group, the alkylsulfinyl group Ci-e, C1-6 alkylsulfonyl group, the group (alkoxy Ci- 6) carbonyl and the group (C6-10 aryl) -Ci-6alkoxy can each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or groups C1-3 haloalkyl, halogen atoms or C1-3 haloalkyl groups may be the same or different from each other, respectively; when X represents 0, R4 represents an aryl group of C6-10 or a heteroaryl group of five or six members. { provided that the C6-10 aryl group and the five or six member heteroaryl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-b) amino alkyl, a (Ci-e alkyl) (Ci-b) amino group, a pentafluorothio group, a C1-6 alkyl group, a C2-6 alkenyl group, an alkynyl group of C2-6, a C1-6 alkoxy group, a C1-6 alkylthio group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, a C6-10 aryl group, an aryloxy group of Ce -io, a C1-6 alkylsulfinyl group, a C1-6 alkylsulfonyl group, a hydroxyl group, a (Ci-e) alkyl group, a hydroxycarbonyl group, a (Ci-d) alkoxycarbonyl group and a (C6-io aryl) -Ci-6 alkoxy group and, when there are two or more substituents, the substituents may be the same or different from each other; and the C1-6 alkyl group, the C2-6 alkenyl group, the C2-6 alkynyl group, the alkoxy group of C1-6, the alkylthio group of C1-6, the alkenyloxy group of C3-6, the alkynyloxy group of C3-6, the aryl group of C6-10, the aryloxy group of C6-io, the alkylsulfinyl group of C1 -6, the alkylsulfonyl group of Ci-b, the group (Ci-s alkoxy) carbonyl and the group (C6-10 aryl) -C1-6 alkoxy can each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or C1-3 haloalkyl groups, the halogen atoms or C1-3 haloalkyl groups may be the same or different from each other, respectively}; G represents a hydrogen atom or a group of any of the following formulas: where L represents an oxygen atom (0) or a sulfur atom (S); R5 represents an alkyl group of Ci-6, a cycloalkyl group of C3-8, an alkenyl group of C2-6, a alkynyl group of C2-6, a aryl group of C6-10, a group (aryl of C6-10) ) -C1-6 alkyl, a C1-6 alkoxy group, a C3-8 cycloalkoxy group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, an aryloxy group of Ce-io, a group (C6-10 aryl) -C1-6 alkoxy, a group (C1-6 alkyl) (Ci-s alkyl) amino, a group (C3-6 alkenyl) (C3-6 alkenyl) amino, a group (Ci-e alkyl) (C6-10 aryl) amino or a five or six membered heteroaryl group (provided that these groups may each have one or more halogen atoms and when there are two or more halogen, the halogen atoms may be the same or different from each other, and the cycloalkyl group of C3-8, the aryl group of C6-10, an aryl residue of the group (aryl of C6-10) -alkyl of C1-6, the cycloalkoxy group of C3-8, the aryloxy group of C6-10, an aryl residue of the group (C6-10 aryl) -alkoxy of Ci-6, an aryl residue of the group (C1-6 alkyl) (aryl of C6-10) amino and a heteroaryl group of five to six members can each have one or more C 1-6 alkyl groups and when there are two or more C 1-6 alkyl groups, the alkyl groups can be the same or different from each other ); R6 represents a C1-6 alkyl group, an aryl group of Ce-io or a group (Ci-6 alkyl) (Ci-d alkyl) amino (provided that these groups may each have one or more atoms of halogen and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other, and the aryl group of C6-10 may optionally have one or more C1-6 alkyl groups and when there are two or more C1-6 alkyl groups, the alkyl groups may be the same or different from each other), - R7 represents a hydrogen atom or an alkyl group of Ci-6; W represents an alkoxy group of Ci-6, an alkylthio group of Ci-6, an alkylsulfinyl group of Ci-6 or an alkylsulfonyl group of Ci-6 (provided that these groups can each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other)}; Z represents a halogen atom, a cyano group, a nitro group, an alkyl group of Ci-6, an alkenyl group of C2-6, a alkynyl group of C2-6, a lower alkoxy group, a group ( Ci-6 alkylcarbonyl, an alkylthio group of Ci-6, an aryloxy group of Ce-io, a five or six membered heteroaryloxy group, a C3-8 cycloalkyl group, a C6-10 aryl group or a five- or six-membered heteroaryl group provided the C1-6 alkyl group, the C2-6 alkenyl group, the C2-6 alkynyl group, the Ci-6 alkoxy group, the (Ci-6 alkyl) group carbonyl and the alkylthio group of Ci-6 may each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other; and the C6-10 aryl group, the five to six member heteroaryl group, the C6-10 aryloxy group and the five to six member heteroaryloxy group may each have one or more substituents selected from the group consisting of a halogen atom, a C 1-6 alkyl group and a C 1-6 haloalkyl group and, when there are two or more substituents, the substituents may be the same or different from each other; and the C3-8 cycloalkyl group may optionally have one or more substituents selected from the group consisting of a halogen atom and an alkyl group of Ci-e and, when there are two or more substituents, the substituents may be the same or different between yes; when n is an integer of 2 or more, Z may be the same or different from each other] (from now on in the present, sometimes referred to as "the present compound").

The dihydropyrone compound of item [1], wherein m is 1, 2 or 3; n is an integer of any of 1 to 3; R1 represents a hydrogen atom or a methyl group; R2 and R3 represent, independently of each other, a hydrogen atom or a C1-3 alkyl group, alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 (provided that, when either 2 or 3, two or three R2 may be the same or different from each other and two or three R3 may be the same or different from each other); G represents a hydrogen atom or a group of any of the following formulas: where R5a represents an alkyl group of Ci-6, an aryl group of Ce-io, an alkoxy group of Ci-6, an alkenyloxy group of C3-6, a alkynyloxy group of C3-6 or a aryloxy group of C6-10; R6a represents an alkyl group of Ci-b; Y Wa represents an alkoxy group of Ci_3; Z represents a halogen atom, an alkyl group of Ci-3, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-3 alkoxy group, a C3-e cycloalkyl group, a nitro group , a phenyl group or a heteroaryloxy group of five to six members (provided that the alkyl group of Ci-3, the alkenyl group of C2-6, the alkynyl group of C2-6, the alkoxy group of C1-3, the group phenyl and the five to six membered heteroaryloxy group may optionally have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other).

The dihydropyrone compound of item [2], wherein m is 2; R2 and R3 represent, independently of each other, a hydrogen atom, a methyl group or an ethyl group, alternatively R2 and R3 are connected to each other to represent an ethylene chain (provided that two R2 may be the same or different) each other and two R3 may be the same or different from each other; G represents a hydrogen atom, an acetyl group, a propionyl group, a butylcarbonyl group, a benzoyl group, a methylsulfonyl group, a methoxycarbonyl group, a group ethoxycarbonyl, an allyloxycarbonyl group, a phenoxycarbonyl group, a methoxymethyl group or an ethoxymethyl group; R9 represents a hydrogen atom, a 2-nitrophenylsulfonyl group or a methyl group; Z represents a methyl group, an ethyl group, a phenyl group, a vinyl group, a cyclopropyl group, a nitro group, a fluorine atom, a chlorine atom, a bromine atom, a methoxy group, a trifluoromethyl group, a 5-trifluoromethyl-2-chloropyridyloxy group or an ethynyl group.

The dihydropyrone compound of any of the points [1] to [3], wherein X represents S, S (O) or S (O) 2; Y R4 represents a C3-7 cycloalkyl group optionally substituted by methyl group or ethyl group, a C1-6 alkyl group, a C1-6 haloalkyl group, a C3-6 alkenyl group, a C3-6 haloalkenyl group, a C3-6 alkynyl group, a C3-6 haloalkynyl group, a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a 2-thienyl group or a 2-thiazolyl group, a 2-oxazolyl group, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group. { provided that the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the 2-pyrimidinyl group, the 2-furyl group, the 2-thienyl group, the 2-thiazolyl group, the group 2-oxazolyl, the 2- (1,3,4-thiadiazolyl) group or the 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a halogen atom, an Ci-3 alkyl group, a hydroxyl group, an group (C1-3 alkyl) carbonyl, a group (C1-3 alkoxy) carbonyl, a C1-3 alkoxy group, a C1-3 haloalkyl group, a C1-3 alkylthio group, a C1 haloalkylthio group -3, a cyano group, a nitro group, an amino group, a pentafluorothio group, a benzoylamino group and a C1-3 haloalkoxy group and, when there are two or more substituents, the substituents may be the same or different from each other.

The dihydropyrone compound from point [4], where X represents S, S (O) or S (O) 2; Y R 4 represents a methyl group, an ethyl group, a propyl group, a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a group 2-thienyl, a 2-thiazolyl group, a 2-oxazolyl group, a 2- (1,3-thiadiazolyl) group or a 5-tetrazolyl group. { provided that the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the 2-pyrimidinyl group, the 2-furyl group, the 2-thienyl group, a 2-thiazolyl group, a group 2-oxazolyl, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a chlorine atom, a bromine atom, an an iodine atom, a fluorine atom, a methyl group, an ethyl group, an isopropyl group, a t-butyl group, a methoxy group, a nitro group, an amino group, a cyano group, a hydroxyl group, an acetyl group , a methoxycarbonyl group, a pentafluorothio group, a pentafluoroethyl group, a difluoroethyl group, a heptafluoroisopropyl group, a trifluoromethylthio group, a benzoylamino group, a trifluoromethoxy group and a trifluoromethyl group.

The dihydropyrone compound of any of the points [1] to [3], wherein X represents 0; Y R4 represents a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a 2-thienyl group, a 2-thiazolyl group, a group 2-oxazolyl, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group. { provided that the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the 2-pyrimidinyl group, the 2-furyl group, the 2-thienyl group, the 2-thiazolyl group, the group 2-oxazolyl, the 2- (1,3,4-thiadiazolyl) group or the 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a C1-3 alkyl group, a hydroxyl group, a group (C1-3 alkyl) carbonyl, a group (C1-3 alkoxy) carbonyl, an alkoxy group of Ci-3, a haloalkyl group of C1-3, an alkyl group of Ci-3-thio, a haloalkylthio group of C1-3, a cyano group, a nitro group, an amino group, a pentafluorothio group, a benzoylamino group and a C1-3 haloalkoxy group and, when there are two or more substituents , the substituents can be the same or different from each other.

The dihydropyrone compound from point [6], where X represents 0; Y R4 represents a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a 2-thienyl group, a 2-thiazolyl group, a group 2-oxazolyl, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group. { provided that the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the 2-pyrimidinyl group, the 2-furyl group, the 2-thienyl group, the 2-thiazolyl group, the group 2-oxazolyl, the 2- (1,3,4-thiadiazolyl) group or the 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a chlorine atom, a bromine atom, an iodine atom , a fluorine atom, a methyl group, an ethyl group, an isopropyl group, a t-butyl group, a methoxy group, a nitro group, an amino group, a cyano group, a hydroxyl group, an acetyl group, a group methoxycarbonyl, a pentafluorothio group, a pentafluoroethyl group, a difluoroethyl group, a heptafluoroisopropyl group, a trifluoromethylthio group, a group benzoylamino, a trifluoromethoxy group and a trifluoromethyl group.

The dihydropyrone compound of any of points [1] to [7], wherein G represents a hydrogen atom.

A herbicide comprising a dihydropyrone compound of any one of items [1] to [8] as an active ingredient and an inert carrier.

A method of weed control comprising the application of an effective amount of a dihydropyrone compound of the formula (I) to weeds or to the soil where the weeds grow, wherein the dihydropyrone compound of the formula (I) is a compound represented by a formula: where m is 1, 2 or 3; n is an integer of any of 1 to 5; X represents O, S, S (O) or S (O) 2; R1 represents a hydrogen atom or a methyl group; R2 and R3 represent, independently of each other, a hydrogen atom, a halogen atom, an alkyl group of Ci-6, a haloalkyl group of Ci-6, a cycloalkyl group of C3- or a C3-8 halocycloalkyl group alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 or R2 and R3 combine with each other to represent a C1-3 alkylidene group which optionally has one or more halogen atoms (provided that, when m is 2 or 3, two or three R 2 may be the same or different from each other and two or three R 3 may be the same or different from each other; when X represents S, S (O) or S (O) 2, R4 represents a C3-7 cycloalkyl group optionally substituted with methyl group or ethyl group, an alkyl group of Ci-ib, a haloalkyl group of Ci-ib, a group (C 1-6 alkoxy) - C 1-12 alkyl, a group (C 1-6 alkylthio) - C 1-12 alkyl, a C 3-18 alkenyl group, a C 3-18 haloalkenyl group, a group C3-18 alkynyl, a C3-18 haloalkynyl group, a C6-10 aryl group or a five or six membered heteroaryl group. { provided that the C6-10 aryl group and the five or six member heteroaryl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-6 alkyl) amino, a group (Ci-6 alkyl) (Ci-b) alkylamino, a pentafluorothio group, a C 1-6 alkyl group, a C 2-6 alkenyl group, an alkynyl group of C2-6, a C1-6 alkoxy group, a C1-6 alkylthio group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, a C6-io aryl group, a C6 aryloxy group -io, a group Ci-6 alkylsulfinyl, an alkylsulfonyl group of Ci-6, a hydroxyl group, a group (Ci-b) alkylcarbonyl, a hydroxycarbonyl group, a (Ci-e) alkoxycarbonyl group and a (C6 aryl) group -10) -alkoxy of Ci-6 and, when there are two or more substituents, the substituents may be the same or different from each other; and the alkyl group of Ci-6, the alkenyl group of C 2-6, the alkynyl group of C 2-6, the alkoxy group of C 1-6, the alkylthio group of C 1-6, the alkenyloxy group of C3-6, the alkynyloxy group of C3-6, the aryl group of C6-10, the aryloxy group of C6-10, the alkylsulfinyl group of C1-6, the alkylsulfonyl group of C1-6, the group (Ci-e) alkoxycarbonyl and the group (C6-10 aryl) -C1-6 alkoxy may each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or C1-3 haloalkyl groups, halogen atoms or C1-3 haloalkyl groups may be the same or different from each other, respectively}; when X represents O, R4 represents an aryl group of C6_io or a heteroaryl group of five or six members. { provided that the aryl group of Ce-io and the heteroaryl group of five or six members may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-6 alkyl) amino, a group (Ci-6 alkyl) (Ci-6 alkyl) amino, a pentafluorothio group, a group Ci-6 alkyl, a C 2-6 alkenyl group, a C 2-6 alkynyl group, a C 1-6 alkoxy group, a C 1-6 alkylthio group, a C 3-6 alkenyloxy group, an alkynyloxy group, C3-6, a C6-10 aryl group, a C6-10 aryloxy group, a C1-6 alkylsulfinyl group, an Ci-e alkylsulfonyl group, a hydroxyl group, a (C1-6 alkyl) carbonyl group , a hydroxycarbonyl group, a group (C 1-6 alkoxy) carbonyl and a group (C 6-10 aryl) - C 1-6 alkoxy and, when there are two or more substituents, the substituents may be the same or different from each other; and the C grupo-alkyl group, the C 2-6 alkenyl group, the C 2-6 alkynyl group, the C 1-6 alkoxy group the C 1-6 alkylthio group, the alkenyloxy group of C3-6, the alkynyloxy group of C3-6, the aryl group of Ce-io, the aryloxy group of C6-10, the alkylsulfinyl group of C1-6, the alkylsulfonyl group of C1-6, the group (alkoxy of Ci -e) carbonyl and the group (C6-10 aryl) -C1-6alkoxy can each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or C1-3 haloalkyl groups, halogen atoms or C1-3 haloalkyl groups may be the same or different from each other, respectively}; G represents a hydrogen atom or a group of any of the following formulas: where L represents an oxygen atom (0) or a sulfur atom (S); R5 represents an alkyl group of Ci-6, a cycloalkyl group of C3-8, a C2-6 alkenyl group, a C2-6 alkynyl group, a C6-10 aryl group, a group (C6-10 aryl) ) -C1-6 alkyl, a C1-6 alkoxy group, a C3-8 cycloalkoxy group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, a C6-10 aryloxy group, a group (C 1 -C 6 aryl) -C 1-6 alkoxy, a group (Ci-b alkyl) (Ci-6 alkyl) amino, a group (C 3-6 alkenyl) (C 3-6 alkenyl) amino, a group (Ci-b alkyl) (Ce-io) aryl amino or a five or six membered heteroaryl group (provided that these groups may each have one or more halogen atoms and when there are two or more atoms present of halogen, the halogen atoms may be the same or different from each other, and the cycloalkyl group of C3-8, the aryl group of Ce-io, an aryl residue of the group (aryl of C6-10) -alkyl of C1-6 , the cycloalkoxy group of C3-8, the aryloxy group of Ce-io, an aryl residue of the group (C6-io aryl) -alkoxy d and Ci-6, an aryl residue of the group (Ci-e alkyl) (aryl of Ce-io) amino and a heteroaryl group of five to six members can each have one or more C 1-6 alkyl groups and when there are two or more Ci-b alkyl groups, the alkyl groups may be the same or different from each other); R6 represents an alkyl group of Ci-6, an aryl group of Ce-io or a group (Ci-6 alkyl) (Ci-6 alkyl) amino (provided that these groups may each have one or more atoms of halogen and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other, and the aryl group of Ce-io may optionally have one or more Ci-e alkyl groups and when there are two or more alkyl groups of Ci-6, the alkyl groups may be the same or different from each other); R7 represents a hydrogen atom or an alkyl group of Ci-e; W represents an alkoxy group of Ci-6, an alkylthio group of Ci-6, an alkylsulfinyl group of Ci-6 or an alkylsulfonyl group of Ci-6 (provided that these groups can each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other); Z represents a halogen atom, a cyano group, a nitro group, an alkyl group of Ci-6, an alkenyl group of C2-e, an alkylene group of C2-e, an alkoxy group of Ci-6, a group ( Ci-6 alkylcarbonyl, an alkylthio group of Ci-6, a C6-10 aryloxy group, a five or six membered heteroaryloxy group, a C3-8 cycloalkyl group, an aryl group of Ce-io or a five or six member heteroaryl group. { provided that the C1-6 alkyl group, the C2-6 alkenyl group, the group C 2-6 alkynyl, the C 1-6 alkoxy group, the C 1-6 alkylcarbonyl group and the C 1-6 alkylthio group may each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other; and the aryl group of C6-10, the heteroaryl group of five to six members, the aryloxy group of Ce-io and the heteroaryloxy group of five to six members can each have one or more substituents selected from the group consisting of a halogen atom, a C 1-6 alkyl group and a C 1-6 haloalkyl group and, when there are two or more substituents, the substituents may be the same or different from each other; and the C3-8 cycloalkyl group may optionally have one or more substituents selected from the group consisting of a halogen atom and a C1-6 alkyl group and, when there are two or more substituents, the substituents may be the same or different from yes; when n is an integer of 2 or more, Z may be the same or different from each other} ] Use of a dihydropyrone compound of the formula (I) to control weeds, wherein the dihydropyrone compound of the formula (I) is a compound represented by a formula: where m is 1, 2 or 3; n is an integer of any of 1 to 5; X represents 0, S, S (O) or S (0) 2; R1 represents a hydrogen atom or a methyl group; R2 and R3 represent, independently of one another, a hydrogen atom, a halogen atom, an alkyl group of Ci-6, a haloalkyl group of Ci-6, a cycloalkyl group of C3-so one halocycloalkyl group C3- 8, alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 or R2 and R3 combine with each other to represent a C1-3 alkylidene group which optionally has one or more halogen atoms (always that, when m is 2 or 3, two or three R 2 may be the same or different from each other and two or three R 3 may be the same or different from each other); when X represents S, S (0) or S (0) 2, R4 represents a C3-7 cycloalkyl group optionally substituted with methyl group or ethyl group, an alkyl group of Ci-is, a haloalkyl group of Ci-is, a group (C 1-6 alkoxy) - C 1-12 alkyl, a group (Ci-b alkylthio) - C 1-12 alkyl, a C 3-18 alkenyl group, a C 3-18 haloalkenyl group, a group C3-18 alkynyl, a C3-18 haloalkynyl group, a C6-10 aryl group or a five or six membered heteroaryl group. { provided that the C6-10 aryl group and the five or six member heteroaryl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-6 alkyl) amino, a group (Ci-6 alkyl) (Ciclamino alkyl, a pentafluorothio group, an alkyl group of Ci-6, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-6 alkoxy group, a C1-6 alkylthio group, a C3-6 alkenyloxy group , a C3-6 alkynyloxy group, a C6-10 aryl group, a C6-10 aryloxy group, an Ci-6 alkylsulfinyl group, a C1-6 alkylsulfonyl group, a hydroxyl group, a Ci-s) carbonyl, a hydroxycarbonyl group, a group (C 1-6 alkoxy) carbonyl and a group (C 6-10 aryl) -C 1-6 alkoxy and, when there are two or more substituents, the substituents may be the same or different from each other, and the C1-6 alkyl group, the C2-e alkenyl group, the alkynyl group of C2-6, the alkoxy group of C1-6, the alkylthio group of C1-6, the alkenyloxy group of C3-6, the alkynyloxy group of C3-6, the aryl group of Ce-io, C6-10 aryloxy group, the C1-6 alkylsulfinyl group, the C1-6 alkylsulfonyl group, the (Ci-b) alkoxycarbonyl group and the (C6-10 aryl) -C1-6alkoxy group can each having one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or C1-3 haloalkyl groups, the halogen atoms or C1-3 haloalkyl groups may be equal or different from each other, respectively; when X represents O, R4 represents an aryl group of C6-10 or a heteroaryl group of five or six members. { provided that the C6-10 aryl group and the five or six member heteroaryl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-b) amino alkyl, a group (Ci-6 alkyl) (Ci-6 alkyl) amino, a pentafluorothio group, an Ci-6 alkyl group, a C 2-6 alkenyl group, an alkynyl group of C2-6, a C1-6 alkoxy group, a C1-6 alkylthio group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, an aryl group of Ce-io, an aryloxy group of Ce -io, an alkylsulfinyl group of Ci-b, an alkylsulfonyl group of C 1-6, a hydroxyl group, a group (Ci-b) alkylcarbonyl, a hydroxycarbonyl group, a group (Ci-e alkoxy) carbonyl and a group (C ar-IO aryl) - C 1-6 alkoxy and, when there are two or more substituents, the substituents may be the same or different from each other; and C 1-6 alkyl group, C 2-6 alkenyl group, C 2-6 alkynyl group, C 1-6 alkoxy group, C 1-6 alkylthio group, C 3-6 alkenyloxy group, C3-6 alkynyloxy group, the aryl group of Ce-io, the aryloxy group of Cg-io, the alkylsulfinyl group of Ci-e, the alkylsulfonyl group of C1-6, the group (alkoxy of Ci-e) carbonyl and the group (C6-10 aryl) -C1-6 alkoxy can each have one or more halogen atoms or groups C1-3 haloalkyl and, when there are two or more halogen atoms or C1-3 haloalkyl groups, the halogen atoms or C1-3 haloalkyl groups may be the same or different from each other, respectively; G represents a hydrogen atom or a group of any of the following formulas: where L represents an oxygen atom (0) or a sulfur atom (S); R5 represents an alkyl group of Ci-6, a cycloalkyl group of C3-8, an alkenyl group of C2-6, a alkynyl group of C2-6, a aryl group of C6-io, a group (aryl of C6-io) ) -alkyl Ci-6, an alkoxy group of Ci-6, a cycloalkoxy group of C3-8, an alkenyloxy group of C3-6, a alkynyloxy group of C3-6, a aryloxy group of C6-10, a group (C6-io aryl) -Ci-6 alkoxy, a group (Ci-6 alkyl) (Ci-e alkyl) amino, a group (C3-6 alkenyl) (C3-6 alkenyl) amino, a group (C 1-6 alkyl) (C 6-10 aryl) amino or a five or six membered heteroaryl group (provided that these groups can each have one or more halogen atoms and when there are two or more atoms present of halogen, the halogen atoms may be the same or different from each other, and the cycloalkyl group of C3-8, the aryl group of C6-10, a aryl residue of the group (Ce-io aryl) -Cl-6 alkyl, the C3-8 cycloalkoxy group, the C6-10 aryloxy group, an aryl residue of the Ci (C6-aryl) -alkoxy group -6, an aryl residue of the group (Ci-e alkyl) (C6-10 aryl) amino and a heteroaryl group of five to six members can each have one or more Ci-e alkyl groups and when they exist two or more C1-6 alkyl groups, the alkyl groups may be the same or different from each other); R6 represents a C1-6 alkyl group, an aryl group of C6-10 or a group (Ci-g alkyl) (C1-6 alkyl) amino (provided that these groups may each have one or more atoms of halogen and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other, and the aryl group of C6-10 may optionally have one or more C1_6 alkyl groups and when there are two or more alkyl groups of C1-6, the alkyl groups may be the same or different from each other); R7 represents a hydrogen atom or a C1-6 alkyl group; W represents an alkoxy group of Ci-b, an alkyl io group of C1-6, an alkylsulfinyl group of Ci-b or a lower alkylsulfonyl group of C1-6 (provided that these groups can each have one or more hydrogen atoms). halogen and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other); Z represents a halogen atom, a cyano group, a nitro group, an alkyl group of Ci-6, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-6 alkoxy group, a group ( Ci-e) alkylcarbonyl, a C1-6 alkylthio group, an aryloxy group of Ce-io, a five or six membered heteroaryloxy group, a C3-8 cycloalkyl group, an aryl group of Ce-10 or a five or six member heteroaryl group. { provided that the C1-6 alkyl group, the C2-6 alkenyl group, the C2-6 alkynyl group, the C1-6 alkoxy group, the (Ci-b) alkyl group, and the Ccylthio alkyl group each of them may have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other; and the C6-10 aryl group, the five to six member heteroaryl group, the C6-io aryloxy group and the five to six member heteroaryloxy group may each have one or more substituents selected from the group consisting of a halogen atom, a C1-6 alkyl group and a haloalkyl group of Ci-b and, when there are two or more substituents, the substituents may be the same or different from each other; and the C3-8 cycloalkyl group may optionally have one or more substituents selected from the group consisting of a halogen atom and an alkyl group of Ci-b and, when there are two or more substituents, the substituents may be the same or different from yes; when n is an integer of 2 or more, Z may be the same or different from each other.

The compound of the present invention shows an efficacy for controlling weeds and, consequently, it is useful as an active ingredient for herbicides.

Detailed description of the invention Hereinafter, the present invention is explained in detail.

The substituent of the present invention is explained.

The "Ci-ib alkyl group" for use herein means an alkyl group having one to eighteen carbon atoms and includes, for example, a methyl group, an ethyl group, a normalpropyl group, an isopropyl group, a group normalbutyl, an isobutyl group, a sec-butyl group, a neopentyl group, a normalhexyl group, a normalheptyl group, a norloloctyl group, a normalnonyl group, a normaldecyl group, a normalundecyl group, a normaldodecyl group, a normaltridecyl group, a group normaltetradecilo, a normalpentadecilo group, a normalhexadecilo group, a normalheptadecilo group and a normaloctadecilo group.

The "Ci-6 alkyl group" for use herein means an alkyl group having one to six carbon atoms and includes, for example, a methyl group, an ethyl group, a normalpropyl group, an isopropyl group, a group normalbutyl, an isobutyl group, a sec-butyl group, a tere-butyl group, a normalpentyl group, a sec-pentyl group, an isopentyl group, a neopentyl group, a normalhexyl group and an isohexyl group.

The "haloalkyl group of Ci-ib" for use herein means an alkyl group of Ci-ie, wherein one or more hydrogen atoms of the alkyl group are substituted with one or more halogen atoms such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom and includes, for example, a trifluoromethyl group, a chloromethyl group, a 2,2,2-trichloroethyl group, a 2,2,2-trifluoroethyl group and a group 2 , 2,2-trifluoro-1,1-dichloroethyl.

The "haloalkyl group of Ci-b" for use herein means an alkyl group of Ci-6, wherein one or more hydrogen atoms of the alkyl group are substituted with one or more halogen atoms such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom and includes, for example, a trifluoromethyl group, a chloromethyl group, a 2,2,2-trichloroethyl group, a 2,2,2-trifluoroethyl group and a group 2 , 2,2-trifluoro-1,1-dichloroethyl.

The "C3-8 cycloalkyl group" for use herein means a cycloalkyl group having 3 to 8 carbon atoms and includes, for example, a cyclopropyl group, a cyclopentyl group, a cyclohexyl group and a cycloheptyl group.

The "C3-7 cycloalkyl group" for use in the present means a cycloalkyl group having three to seven carbon atoms and includes, for example, a cyclopropyl group, a cyclopentyl group, a cyclohexyl group and a cycloheptyl group.

The "C3-8 halocycloalkyl group" for use herein means a C3-8 cycloalkyl group, wherein one or more hydrogen atoms of the C3-8 cycloalkyl group are substituted with one or more halogen atoms as an atom of fluorine, a chlorine atom, a bromine atom and an iodine atom and includes, for example, a 2-chlorocyclopropyl group and a 4,4-difluorocyclohexyl group.

The "(C1-6 alkoxy) -C1-12 alkyl" group for use herein means a C1-12 alkyl group, wherein one or more hydrogen atoms of the C1-12 alkyl group are substituted with a alkoxy group having 1 to 6 carbon atoms and includes, for example, a methoxymethyl group, a 1-methoxyethyl group, an ethoxymethyl group, a butoxymethyl group, a 2-ethoxyethyl group, a 1-methoxypropyl group, a group 1 methoxybutyl, a 1-methoxypentyl group, a 1-methoxyhexyl group, a 1-methoxyoctyl group, a 1-methoxydecyl group and a 1-methoxydecyl group.

The "(Ci-b) alkyl-C1-12 alkyl group" for use herein means a C1-12 alkyl group wherein one or more hydrogen atoms of the C1-12 alkyl are substituted with an alkylthio group that has 1 to 6 atoms of carbon and includes, for example, a methylthiomethyl group, a 1- (methylthio) ethyl group, an ethylthiomethyl group, a butylthiomethyl group, a 2- (ethylthio) ethyl group, a 1- (methylthio) pentyl group, a 1- group (methylthio) hexyl, a 1- (methylthio) octyl group, a 1- (methylthio) decyl group and a 1- (methylthio) dodecyl group.

The "C2-5 alkylene chain group" for use herein means an alkylene chain having two to five carbon atoms and includes, for example, an ethylene chain, a propylene chain (i.e., a chain) trimethylene), a butylene chain (i.e., a tetramethylene chain) and a pentylene chain (i.e., a pentamethylene chain).

When R2 and R3 are connected to each other to represent an alkylene chain of C2-5, R2 and R3 combine together with the carbon to which R2 and R3 join to form a C3-6 cycloalkyl group. For example, when R2 and R3 are connected to each other to represent an ethylene chain, R2 and R3 combine together with the carbon to which R2 and R3 join to form a cycloalkyl group of C3, ie, a cyclopropyl group.

The "C1-3 alkylidene chain group" for use herein means an alkylidene chain having one to three carbon atoms and includes, for example, a methylidene group, an ethylidene group and an isopropylidene group.

The "halogen atom" for use herein includes, for example, a fluorine atom, a chlorine atom, a bromine atom and an iodine atom.

The "C2-6 alkenyl group" for use herein means an alkenyl group having two to six carbon atoms and includes, for example, a vinyl group, an allyl group, a l-buten-3-yl group and a 3-buten-1-yl group.

The "C3-18 alkenyl group" for use herein means an alkenyl group having three to eighteen carbon atoms and includes, for example, a l-buten-3-yl group, a 3-buten-l- group ilo, a pentenyl group, a hexenyl group, an octenyl group, a decenyl group, a dodecenyl group, a tetradecenyl group, a hexadecenyl group and an octadecenyl group.

The "C3-6 alkenyl group" for use herein means an alkenyl group having three to six carbon atoms and includes, for example, a l-buten-3-yl group, a 3-buten-l- group ilo, a pentenyl group and a hexenyl group.

The "C3-18 haloalkenyl group" for use herein means an alkenyl group having three to eighteen carbon atoms wherein one or more hydrogen atoms of the alkenyl group are substituted with one or more halogen atoms such as a carbon atom. fluorine, a chlorine atom, a bromine atom and an iodine atom and includes, for example, a l-chloro-propen-2-yl group, a l-bromo-propen-2-yl group, a l-chloro-2-propenyl group, a l-chloro-2-hexenyl group, a l-chloro-2-octenyl group, a l-chloro-2-decenyl group, a l-chloro-2-dodecenyl group, a l-chloro-2-tetradecenyl group, a l-chloro-2-hexadecenyl group and a l-chloro-2-octadecenyl group.

The "C3-6 haloalkenyl group" for use herein means an alkenyl group having three to six carbon atoms wherein one or more hydrogen atoms of the alkenyl group are substituted with one or more halogen atoms such as a carbon atom. fluorine, a chlorine atom, a bromine atom and an iodine atom and includes, for example, a 1-chloro-propen-2-yl group, a l-bromo-propen-2-yl group, a 1- group chloro-2-pentenyl and a l-chloro-2-hexenyl group.

The "C2-6 alkynyl group" for use herein means an alkynyl group having two to six carbon atoms and includes, for example, an ethynyl group, a propargyl group and a 2-butynyl group.

The "C3-18 alkynyl group" for use herein means an alkynyl group having three to eighteen carbon atoms and includes, for example, a propargyl group, a 2-butynyl group, a 2-pentynyl group, a group 2-Hexynyl, a 2-octynyl group, a 2-decynyl group, a 2-dodecynyl group, a 2-tetradecynyl group, a 2-hexadecynyl group and a 2-octadecyl group.

The "C3-6 alkynyl group" for use in the present means an alkynyl group having three to six carbon atoms and includes, for example, a propargyl group, a 2-butynyl group, a 2-pentynyl group and a 2-hexynyl group.

The "haloalkynyl group of C3-18" for use herein means a C3-1B alkynyl group, wherein one or more hydrogen atoms of the alkynyl group are substituted with one or more halogen atoms such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom and includes, for example, a l-chloro-2-butynyl group, a l-chloro-2-pentynyl group, a l-chloro-2-hexynyl group, a 1-chloro-2-heptinyl group, 1-chloro-2-octynyl group, 1-chloro-2-noninyl group, 1-chloro-2-decinyl group, 1-chloro-2-dodecyl group, l-chloro-2-tetradecinyl group, a l-chloro-2-hexadecynyl group and a l-chloro-2-octadecinyl group.

The "C3-6 haloalkynyl group" for use herein means a C3-6 alkynyl group, wherein one or more hydrogen atoms of the alkynyl group are substituted with one or more halogen atoms such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom and includes, for example, a l-chloro-2-butynyl group, a l-chloro-2-pentynyl group and a l-chloro-2-hexynyl group.

The "C1-6 alkoxy group" for use herein means an alkoxy group having one to six carbon atoms and includes, for example, a methoxy group, a group ethoxy, a normalpropyloxy group, an isopropyloxy group, a normalbutoxy group, an isobutoxy group, a sec-butoxy group, a tert-butoxy group, a normalpentyloxy group, a sec-pentyloxy group, an isopentyloxy group, a neopentyloxy group, a group normalhexyloxy and an isohexyloxy group.

The "Ci-6 alkylthio group" for use herein means an alkylthio group having one to six carbon atoms and includes, for example, a methylthio group, an ethylthio group and an isopropylthio group.

The "Ci-3-thio alkyl group" for use herein means an alkylthio group having one to three carbon atoms and includes, for example, a methylthio group and an ethylthio group.

The "C3-6 alkenyloxy group" for use herein means an alkenyloxy group having three to six carbon atoms and includes, for example, an allyloxy group and a 2-butenyloxy group.

The "C3-6 alkynyloxy group" for use herein means an alkynyloxy group having three to six carbon atoms and includes, for example, a propargyloxy group and a 2-butynyloxy group.

The "(C6-10 aryl) -Ci-6 alkoxy group" for use herein means a C1-6 alkoxy group, wherein a hydrogen atom of the alkoxy group is substituted with an aryl group having six a ten carbon atoms and includes, for example, a benzyloxy group and a phenethyloxy group.

The "(Cs-io) aryl-Ci-6 alkyl group" for use herein means an Ci-6 alkyl group, wherein a hydrogen atom of the alkyl group is substituted with an aryl group having six to ten carbon atoms and includes, for example, a benzyl group and a phenethyl group.

The "C3-8 cycloalkoxy group" for use herein means a cycloalkoxy group having 3 to 8 carbon atoms and includes, for example, a cyclopropyloxy group, a cyclopentyloxy group and a cyclohexyloxy group.

The "(Ci-d) alkyl (Ci-6 alkyl) amino" group for use herein means an amino group, wherein two hydrogen atoms of the amino group are substituted with two Ci-b alkyl groups which can be they are the same or different from each other and include, for example, a dimethylamino group, a diethylamino group and an ethylmethylamino group.

The "(C3-6 alkenyl) (C3-6 alkenyl) amino" group for use herein means an amino group wherein two hydrogen atoms of the amino group are substituted with two C3-6 alkenyl groups which can be same or different from each other and includes, for example, a diallylamino group and a di (3-butenyl) amino group.

The "(Ci-b) alkyl (C6-10 aryl) amino" group for use herein means an amino group wherein two hydrogen atoms of the amino group are substituted with one group Ci-6 alkyl and an aryl group of Ce-io and includes, for example, a methylphenylamino group and an ethylphenylamino group.

The "Ci-e alkylsulfinyl group" for use herein means an alkylsulfinyl group having one to six carbon atoms and includes, for example, a methylsulfinyl group, an ethylsulfinyl group and an isopropylsulfinyl group.

The "Ci-b alkylsulfonyl group" for use herein means an alkylsulfonyl group having one to six carbon atoms and includes, for example, a methylsulfonyl group, an ethylsulfonyl group and an isopropylsulfonyl group.

The "aryl group of Ce-io" for use herein means an aryl group having six to ten carbon atoms and includes, for example, a phenyl group and a naphthyl group.

The "five to six membered heteroaryl group" for use herein means an aromatic five or six membered heterocyclic group having 1 to 3 heteroatoms selected from a nitrogen atom, an oxygen atom or a sulfur atom and includes, for example, a 2-pyridyl group, a 4-pyridyl group, a 3-furyl group, a pyrimidinyl group, a 3-thienyl group and a 1-pyrazolyl group.

The "C6-10 aryloxy group" for use herein means an aryloxy group having six to ten carbon atoms. carbon and includes, for example, a phenoxy group and a naphthyloxy group.

The "five to six membered heteroaryloxy group" for use herein means an aromatic five or six membered heterocylyloxy group having one to three heteroatoms selected from a nitrogen atom, an oxygen atom or a sulfur atom and includes, for example, a 2-pyridyloxy group and a 3-pyridyloxy group.

The "(Ci-6 alkoxy) carbonyl group" for use herein means a carbonyl group having an Ci-6 alkoxy group and includes, for example, a methoxycarbonyl group and an ethoxycarbonyl group.

The "(C1-3 alkoxy) carbonyl group" for use herein means a carbonyl group having a C1-3 alkoxy group and includes, for example, a methoxycarbonyl group and an ethoxycarbonyl group.

The "(Ci-6 alkyl) amino" group for use herein means an amino group wherein a hydrogen atom of the amino group is substituted with a C 1-6 alkyl group and includes, for example, a monomethylamino group and a monoethylamino group.

The "(Ci-b) alkylcarbonyl group" for use herein means a carbonyl group having a C 1-6 alkyl group and includes, for example, a methylcarbonyl group, an ethylcarbonyl group, a group isopropylcarbonyl, a butylcarbonyl group, a pentylcarbonyl group and a hexylcarbonyl group.

The "(C1-3 alkyl) carbonyl group" for use herein means a carbonyl group having an alkyl group having one to three carbon atoms and includes, for example, a methylcarbonyl group, an ethylcarbonyl group and a group isopropylcarbonyl.

The "C1-3 alkyl group" for use herein means an alkyl group having one to three carbon atoms and includes, for example, a methyl group, an ethyl group, a normalpropyl group and an isopropyl group.

The "C1-3 alkoxy group" for use herein means an alkoxy group having one to three carbon atoms and includes, for example, a methoxy group, an ethoxy group, a normalpropyloxy group and an isopropyloxy group.

The "C1-3 haloalkyl group" for use herein means an alkyl group of Ci_3, wherein one or more hydrogen atoms of the alkyl group are substituted with one or more halogen atoms such as a fluorine atom, an chlorine, a bromine atom or an iodine atom and includes, for example, a trifluoromethyl group, a chloromethyl group, a 2,2,2-trichloroethyl group, a 2,2,2-trifluoroethyl group and a 2,2-chloro group , 2-trifluoro-1,1-dichloroethyl.

The "C1-3 haloalkoxy group" for use herein means a C1-3 alkoxy group in which one or more hydrogen of the alkoxy group are substituted with one or more halogen atoms such as a fluorine atom, a chlorine atom, a bromine atom or an iodine atom and include, for example, a trifluoromethoxy group, a 2,2,2,2 group -trichloroethoxy, a 3,3-difluoropropyloxy group and a 2,2,2-trifluoroethoxy group.

The "haloalkylthio group of Ci-3" for use herein means an alkylthio group of C 1-3, wherein one or more hydrogen atoms of the alkylthio group are substituted with one or more halogen atoms such as a fluorine atom, a chlorine atom, a bromine atom or an iodine atom and includes, for example, a trifluoromethylthio group, a chloromethylthio group, a 2,2,2-trichloroethylthio group, a 2,2,2-trifluoroethylthio group and a group 2 , 2,2-trifluoro-1,1-dichloroethylthio.

For the present compound, the dihydropyrone compounds of the formula (I) can form agronomically acceptable salts with inorganic bases or organic bases and the present invention can comprise the salt forms of the dihydropyrone compound. The salt includes, for example, salts that are formed by mixing the compound with inorganic bases (eg, hydroxides, carbonates, hydrogen carbonates, acetates or hydrides of alkali metals (eg, lithium, sodium and potassium)), hydroxides or hydrides of alkaline earth metals (eg, magnesium, calcium and barium) and ammonia), organic bases (e.g. dimethylamine, triethylamine, piperazine, pyrrolidine, piperidine, 2-phenylethylamine, benzylamine, ethanolamine, diethanolamine, pyridine and collidine) or metal alkoxides (for example, sodium methoxide, potassium tert-butoxide and magnesium methoxide).

When the present compound has one or more asymmetric centers, there may be two or more stereoisomers (e.g., enantiomer and diastereomer). The present compound may comprise all of these stereoisomers and a mixture of two or more arbitrary stereoisomers.

Also when the present compound contains geometric isomers due to a double bond, and the like, there may be two or more geometric isomers (e.g., each E / Z or trans / cis isomer, each S-trans / S-cis isomer and the others ). The present compound can comprise all these geometric isomers and a mixture of two or more arbitrary geometric isomers.

As an embodiment of the present compound, the following compounds are included, for example a compound, where m is 2; a compound, where n is 3; a compound, where m is 2 and n is 3; a compound, where X is S; a compound, wherein R2 is a hydrogen atom; a compound, wherein R3 is a hydrogen atom; a compound, where a remainder represented by a formula: in the formula (I) represents -S-CH2CH2-, -S-CH2CH (CH3) -, -S-CH (CH3) CH2-, -O-CH2CH2-, -S (O) -CH2CH2-, -S ( O) -CH2CH (CH3) -S (0) 2-CH2CH2-, -S (O) 2-CH2CH (CH3) -, -S-CH2C (CH3) 2-, -S- CH2C (cyclopropyl) -, - S-CH2CH (C2H5) -, -S-CH2- or -S-CH2CH2CH2-; a compound, wherein R 4 represents a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a 2-thienyl group, a 2-group -thiazolyl, a 2-oxazolyl group, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group; a compound, wherein Z is a phenyl group or a C 1-6 alkyl group optionally having one or more halogen atoms; a dihydropyrone compound, where m is 1, 2 or 3; n is 1, 2 or 3; X represents O, S, S (0) or S (0) 2; R1 represents a hydrogen atom; R2 and R3 represent, independently of each other, a hydrogen atom or a C1-6 alkyl group, alternatively R2 and R3 are connected to each other to represent a C2-5 alkenylene chain; R4 represents an aryl group of C6-10 or a heteroaryl group of five or six members (provided that the aryl group of Cs-10 and the heteroaryl group of five to six members may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, a pentafluorothio group, a C 1-6 alkyl group and a C 1-6 alkoxy group and, when there are two or more substituents, the substituents may be the same or different from each other and the Ci-S alkyl group and the Ci-e alkoxy group may optionally have one or more halogen atoms); G represents a hydrogen atom or a group of any of the following formulas: where L represents an oxygen atom (0); R5 represents an alkyl group of Ci-6, an alkoxy group of Ci-6, an alkenyloxy group of C3-6 or an aryloxy group of Ce lo; R6 represents a C1-6 alkyl group; R7 represents a hydrogen atom; represents an alkoxy group of Ci-6}; Z represents a halogen atom, a phenyl group, an alkyl group of Ci-e, an alkenyl group of C2-e, a group C2-6 alkynyl or a six-membered heteroaryloxy group (provided that the phenyl group and the six-membered heteroaryloxy group may optionally have one or more substituents selected from the group consisting of a halogen atom and a haloalkyl group of Ci-e and, when there are two or more substituents, the substituent may be the same or different from each other). a dihydropyrone compound, where m is 1, 2 or 3; n is an integer of any of 1 to 3; X represents 0, S, S (O) or S (0) 2; R1 represents a hydrogen atom; R2 and R3 represent, independently of each other, a hydrogen atom or an alkyl group of Ci-6, alternatively R2 and R3 are connected to each other to represent a C2-5 alkylene chain; when X represents S, S (0) or S (0) 2, R4 represents an aryl group of Ce-io or a heteroaryl group of five or six members (provided that the aryl group of Ce-io and the heteroaryl group of five six members may optionally have one or more substituents selected from the group consisting of a halogen atom, a pentafluorothio group, an Ci-6 alkyl group, a C 1-6 alkoxy group, an alkylthio group of Ci-b, a hydroxyl group, a group (C 1-6 alkyl) carbonyl and a group a group (C 1 -C 6 alkoxy) e) carbonyl and, when there are two or more substituents, the substituents may be the same or different from each other); or when X represents 0, R4 represents an aryl group of C6-io. { provided that the aryl group of C6-io may optionally have one or more Ci-s alkyl groups and, when there are two or more substituents, the substituents may be the same or different from each other; and the C 1-6 alkyl group may have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other; G represents a hydrogen atom or a group of any of the following formulas: H C1, -W where L represents an oxygen atom (0); R5 represents an alkyl group of Ci-6, an alkoxy group of Ci-6, an alkenyloxy group of C3-6 or a aryloxy group of C-10; R6 represents an alkyl group of Ci 6; R7 represents a hydrogen atom; W represents an alkoxy group of Ci-e); Z represents a halogen atom, a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a five to six membered heteroaryloxy group or an aryl group of Ce-io (provided that the alkyl group of Ci-6, the alkenyl group of C2-6 and the alkynyl group of C2-6 can optionally have one or more halogen atoms and when there are two or more halogen atoms, the Halogen atoms may be the same or different from each other, the five to six membered heteroaryloxy group or the Ce-io aryl group may optionally have one or more substituents selected from the group consisting of a halogen atom and a haloalkyl group of C1 -6 and, when there are two or more substituents, the substituents may be the same or different from each other).

The herbicide of the present invention comprises the present inert carrier and carriers (hereinafter, sometimes referred to as "the present herbicide"). The present herbicide can usually be prepared by further addition of auxiliary agents for formulation as surfactants, adhesives, dispersants and stabilizers to formulate in wettable powders, water dispersible granules, fluids, granules, dry fluids, emulsifiable concentrates, aqueous solutions, oil solutions, smoking agents, aerosols, microcapsules and others. The present herbicide usually contains the present compound at 0.1 to 80% by weight.

The inert carrier includes a solid carrier, a liquid carrier and a gaseous carrier.

Examples of the solid carrier include clays (by example, kaolin, diatomaceous earth, synthetic hydrated silicon dioxide, Fubasami clay, bentonite and acid clay), talcs and the other inorganic minerals (eg, sericite, quartz powder, sulfur powder, activated carbon, calcium carbonate and hydrated silica) in the form of fine or particulate powders and examples of the liquid carrier include water, alcohols (e.g., methanol and ethanol), ketones (e.g., acetone and methyl ethyl ketone), aromatic hydrocarbons (e.g., benzene, toluene, xylene) , ethylbenzene and methylnaphthalene), aliphatic hydrocarbons (e.g., n-hexane, cyclohexane and kerosene), esters (e.g., ethyl acetate and butyl acetate), nitriles (e.g., acetonitrile and isobutyronitrile), ethers (e.g. dioxane and diisopropyl ether), acid amides (e.g., N, N-dimethylformamide and dimethylacetamide), halogenated hydrocarbons (e.g., dichloroethane, trichlorethylene and carbon tetrachloride) and others.

Examples of the surfactants include alkyl sulfates, alkyl sulfonates, alkylaryl sulfonates, alkylaryl ethers and their polyoxyethylenated compounds, polyethylene glycol ethers, polyester polyols and sugar alcohol derivatives.

Examples of other auxiliary agents for formulation include adhesives and dispersants, specifically ccaasseeíinnaa ,, ggeellaattiinnaa ,, polysaccharides (for example, starch, gum arabic, cellulose derivatives and alginic acid), lignin derivatives, bentonite, sugars, water soluble synthetic polymers (for example, polyvinyl alcohol, polyvinylpyrrolidone and polyacrylic acids), PAP ( isopropyl acid phosphate), BHT (2,6-di-tert-butyl-4-methylphenol), BHA (a mixture of 2-tert-butyl-4-methoxyphenol and 3-tert-butyl-4-methoxyphenol), oils vegetables, mineral oils, fatty acids or their esters of fatty acids, and others.

The method for controlling weeds of the present invention comprises the application of an effective amount of the present compound to weeds or to a soil where the weeds grow (hereinafter in the present invention)., sometimes referred to as "the present method of weed control"). In the method for controlling weeds of the present invention, the present herbicide is usually used. The method of application comprises, for example, a treatment of the foliage of the weeds using the present herbicide, a treatment of the soil surface where the weeds grow and a treatment of incorporation into the soil where the weeds grow. In the present method of weed control, the present compound is applied in an amount of usually 1 to 5000 g and, preferably, 10 to 1000 g per 10,000 m2 of weed surface to be controlled.

The present compound can be applied to an agricultural land and others, where the "plant" is cultivated as mentioned below.

"Plant": Crops: corn, rice, wheat, barley, rye, oats, sorghum, cotton, soya, peanuts, buckwheat, turnip, rapeseed, sunflower, sugarcane, tobacco, hops and others; Vegetables: solanaceous vegetables (for example, eggplant, tomato, pepper, hot pepper and potato), Cucurbitaceae vegetables (for example, cucumber, pumpkin, zucchini, watermelon and melon), cruciferous vegetables (eg, Japanese radish, white turnip, horseradish, black currant, Chinese cabbage, cabbage, leaf mustard, broccoli and cauliflower), Asteraceous vegetables (for example, burdock, flower of the dead, artichoke and lettuce), Liliaceous vegetables (for example, green onions, onions, garlic and asparagus), umbelliferous vegetables (eg, carrot, parsley, celery and parsnip), chenopodiaceous vegetables (for example, spinach and Swiss chard), lamiaceous vegetables (for example, Japanese basil, mint and basil), strawberry, sweet potato, Dioscorea japonica, colocasia and others; Fruits: pome fruits (for example, apple, pear, Japanese pear, Chinese quince and quince), stone fruits (for example, peach, Japanese plum, nectarine, Japanese apricot, cherry, damask and prune)., citrus fruits (for example, Citrus unshiu, orange, lemon, lime and grapefruit), nuts (for example, chestnuts, walnuts, hazelnuts, almonds, pistachios, cashew nuts and macadamia nuts), berries (for example, cassis, blueberries, blackberries and raspberries), grapes, persimmons, olive, Japanese plum, banana, coffee, date palm, coconut, oil palm, and others; Trees other than fruit trees: tea, mulberry, flower plant (for example, dwarf azalea, camellia, hydrangea, sasanqua, star anise, cherry, tulip, astromelia and oliva olorosa), trees along the road (for example, ash plant, birch, American dogwood, eucalyptus, gin go biloba, lilac, holly, willow, oak, cercis, formosan liquidambar, banana tree, zelkova, Japanese tuja, Japanese momi fir, Japanese hemlock, juniper, pine, fir, Taxus cuspidate, elm and Japanese horse chestnut), Alder, Podocarpus macrophillus, Japanese cedar, Japanese cypress, croton, Japanese spindle and Photinia glabra); Others: flowers (for example, rose, carnation, chrysanthemum, Eustoma, bride's illusion, gerbera, calendula, sage, petunia, verbena, tulip, asterácea, gentian, lily, lily, pansy, cielamen, orchid, lily of the valley, lavender, Wallflower, ornamental cabbage, primrose, federal star, gladiolus, cat's eye, daisy, cymbidium and begonia), biofuel plants (eg, Jatropha, Sassafras, Camelina, Switchgrass, Miscanthus giganteus, Phalaris arundinacea, Arundo donax, Kenaf (Hibiscus cannabinus), Manihot esculenta, Salicaceae, etc.) and Ornamental foliage plants, and others.

The "crops" include genetically modified crops.

The present compound can be mixed or combined with other herbicides, phytotoxicity reducing agents, plant growth regulators, pesticides, miticides, nematicides, fungicides and / or synergists.

Examples of the active ingredient such as herbicides They include the following: (1) Phenoxyaliphatic acid herbicides 2,4-PA, MCP, MCPB, phenothiol, mecoprop, fluroxypir, triclopir, clomeprop, naproanilide and others; (2) Benzoic acid herbicides 2,3,6-TBA, dicamba, clopyralide, picloram, aminopyralide, quinclorac, quinmerac and others; (3) Urea herbicides diurone, linurone, chlortolurone, isoproturon, fluometuron, isourone, tebutiurone, metabenzthiazurone, cumiluron, daimuron, methyl-daimuron and others; (4) Triazine herbicides atrazine, ametorin, cyanazine, simazine, propazine, symmetry, dimethamethrin, prometryn, metribuzin, triaziflam, indaziflam and others; (5) Bipyridinium herbicides paraquat, diquat and others; (6) Hydroxybenznitrile herbicides bromoxynil, ioxinyl and others; (7) Dinitroaniline herbicides pendimethalin, prodiamine, trifluralin and others; (8) Organophosphorus herbicides amiprofos-methyl, butamifos, bensulide, piperofos, anilofos, glyphosate, glufosinate, glufosinate-P, bialafos and others; (9) Carbamate herbicides di-alato, tri-alato, EPTC, butylate, benthiocarb, esprocarb, molinate, dimepiperate, swep, chlorprofam, fen edifam, fenisofam, pyributicarb, asulam and others; (10) Acid amide herbicides propanil, propizamide, bromobutide, ethobenzanide and others; (11) Chloroacetanilide herbicides acetochlor, alachlor, butachlor, di ethenamide, propachlor, metazachlor, metolachlor, pretilachlor, tenylchlor, petoxamide and others; (12) Diphenylic ether herbicides acifluorfen-sodium, bifenox, oxyfluorfen, lactofen, fomesafen, clometoxinil, aclonifen and others; (13) Cyclic imide herbicide oxadiazon, cinidona-ethyl, carfentrazone-ethyl, surfentrazona, flu iclorac-pentyl, flumioxazin, pyraflufen-ethyl, oxadiargyl, pentoxazone, fluthiacet-methyl, butafenacil, benzfendizone, bencarbazone, saflufenacilo and others; (14) Pyrazole herbicides benzophenap, pyrazolate, pyrazoxifen, topramezone, pyrasulfotol and others; (15) Triacetone herbicides isoxaflutol, benzobicyclone, sulcotrione, mesotrione, tembotrione, tefuriltriona, biciclopirona and others; (16) Aryloxyphenoxypropionic acid herbicides clodinafop-propargyl, cyhalofop-butyl, diclofop-methyl, fenoxaprop-ethyl, fluazifop-butyl, haloxyfop-methyl, quizalofop-ethyl, metamifop and others; (17) Trionaxime herbicides alloxydim-sodium, sethoxydim, butroxydim, clethodim, cloproxydim, cycloxydim, tepraloxydim, tralcoxydim, profoxydim and others; (18) Sulphonylurea herbicides chlorsulfuron, sulfometurone-methyl, metsulfuron-methyl, chlorimuron-ethyl, tribenuron-methyl, triasulfuron, bensulfuron-methyl, thifensulfuron-methyl, pyrazosulfuron-ethyl, primisulfuron-methyl, nicosulfuron, amidosulfuron, cinosulfuron, imazosulfuron, rimsulfuron, halosulfuron-methyl, prosulfurone, etamethyl sulfurone-methyl, triflusulfuron-methyl, flazasulfuron, cyclosulfamuron, flupyrsulfuron, sulfosulfuron, azimsulfuron, ethoxysulfuron, oxasulfuron, iodosulfuron-methyl-sodium, foramsulfuron, mesosulfuron-methyl, trifloxysulfuron, tritosulfuron, orthosulfuronamide, flucetosulfuron, propirisulfuron, metazosulfuron, isofensulfuron -sodium and others; (19) Imidazolinone herbicides imazametabenz-methyl, imazamox, imazapic, imazapir. imazaquina, imazetapir and others; (20) Sulfonamide herbicides flumetsulam, metosulam, diclosulam, florasulam, cloransulam-methyl, penoxsulam, piroxsulam and others; (21) Pyrimidinyloxybenzoic acid herbicides piritiobac-sodium, bispyribac-sodium, pyriminobac-methyl, pyribenzoxim, pyriftalide, pyrimisulfane, triafamone and others; Y (22) Other systematic herbicides bentazone, bromazone, terbacillus, chlortiamide, isoxaben, dinoseb, amitrol, cinmetilina, tridifano, dalapona, diflufenzopir-sodium, dithiopir, thiazopir, flucarbazone-sodium, propoxycarbazone-sodium, mefenacet, flufenacet, fentrazamide, cafenstrol, indanofano, oxaziclo efona, benfuresato ACN, pyridate, chloridazon, norflurazon, flurtamone, diflufenican, picolinafen, beflubutamid, clomazone, amicarbazone, pinoxaden, pyraclonil, pyroxasulfone, thiencarbazone-methyl, aminociclopiraclor, ipfene rbazona, metiozolina, fenoxasulfona and others.

Examples of the active ingredient such as phytotoxicity reducing agents include the following: benoxacor, cloquintocet mexyl-, cyometrinil, dichlormid, fenchlorazole-ethyl, fenclorim, flurazole, furilazole, mefenpyr-diethyl, MG191, oxabetrinil, allidochlor, isoxadifen-ethyl, cyprosulfamide, fluxofenim, anhydride 1,8- Naphtalic, AD-67 and others.

Examples of the active ingredient as plant growth regulators include the following: himexazole, paclobutrazol, uniconazole-P, inabenfide, prohexadione-calcium, aviglycine, 1-naphthalene acetamide, abscisic acid, indole butyric acid, ethylocate, ethephone, cloxifonac, chlormequat, dichlorprop, gibberellins, prohydrojas ona, benzyladenine, forclorfenurone, maleic hydrazide, peroxide calcium, mepiquat chloride, 4-CPA (4-chlorophenoxyacetic acid) and others.

Examples of the active ingredient such as pesticides include the following: (1) Organophosphorus compound acetate, butathiophos, chloretoxyphos, chlorfenvinphos, chlorpyrifos, chlorpyrifos-methyl, cyanophos (abbreviated CYAP), diazinone, diclofenthione (abbrev. ECP), dichlorvos (abbreviated DDVP), dimethoate, dimethylvinphos, disulfotone, EPN, ethion, ethoprofos, etrinfos , fenthion (abbreviated MPP), fenitrothione (abbreviated MEP), fosthiazate, formothione, isophenphos, isoxationa, malathion, mesulfenphos, methidathione (abbreviated to DMTP), monocrotophos, naled (abbreviated BRP, oxideprofos (abbreviated as ESP), parathion , phosalone, fosmet (abbreviated PMP), pirimiphos-methyl, pyridaphenone, quinalphos, fentoate (PAP abbreviated), profenofos, propafos, protiofos, piraclorfos, salithione, sulprofos, tebupirinfos, temefos, tetrachlorvinfos, terbufos, thiometone, trichlorphone (abbreviated DEP), vamidothione, phorate, cadusafos and others; (2) Carbamate compounds alanicarb, bendiocarb, benfuracarb, BPMC, carbaryl, carbofuran, carbosulfan, cloetocarb, etiofencarb, fenobucarb, phenothiocarb, fenoxycarb, furathiocarb, isoprocarb (abbreviated MIPC), metolcarb, methomyl, methiocarb, oxamyl, pirimicarb, propoxur (abbreviation PHC), XMC, thiodicarb, xylilcarb, aldicarb and others; (3) Pyrethroid compounds acrinatrin, allethrin, beta-cyfluthrin, bifenthrin, cycloprothrin, cyfluthrin, cyhalothrin, cypermethrin, empenthrin, deltamethrin, esfenvalerate, etofenprox, fenpropathrin, fenvalerate, flucitrinate, flufenoprox, flumethrin, fluvalinate, halfenprox, imiprotrin, permethrin, prallethrin, pyrethrins, resmethrin, sigma-cypermethrin, silafluofen, tefluthrin, tralometrine, transluthrin, tetramethrin, phenothrin, cyphenothrin, alpha-cypermethrin, zeta-cypermetril, lambda-cyhalothrin, gamma-cyhalothrin, furamethrin, tau-fluvalinate, metofluthrin, profluthrin, dimefluthrin, 2.2 2,3,5,6-tetrafluoro-4- (methoxymethyl) benzyl, 2,2,3,3-tetramethyl-cyclopropanecarboxylate 2,3,5,6-dimethyl-3- (2-cyano-1-propenyl) cyclopropancarboxylate, 6-tetrafluoro-4- (methoxymethyl) benzyl, protrifenbute and others; (4) Nereis toxin compounds cartap, bensultap, thiocielam, monosultap, bisultap; (5) Neonicotinoid compounds and others; imidacloprid, nitenpyram, acetamiprid, thiamethoxam, thiacloprid, dinotefuran, clothianidin and others; (6) Benzoylurea compounds chlorfluazurona, bistriflurona, diflubenzurona, fluazurona, flucioloxurona, flufenoxurona, hexaflumurona, lufenurona, novalurona, noviflumurona, teflubenzurona, triflumurona and others; (7) Phenylpyrazole compounds Acetoprol, Ethiprole, Fipronil, Vaniliprole, Pyriprole, Pyrafluprol and others; (8) Bt Toxins living spores and crystal toxins originated from Bacillus thuringiensis and a mixture of them; (9) Hydrazine compounds chromafenozide, halofenozide, methoxyfenozide, tebufenozide and others; (10) Organochlor compounds aldrin, dieldrin, chlordane, DDT, dienochlor, endosulfan, methoxychlor and others; Y (11) Other pesticide active ingredients machine oil, nicotine sulfate; avermectin-B, bromopropylate, buprofezin, chlorfenapyr, cyromazine, DCIP (dichlorodiisopropyl ether), DD (1,3-Dichloropropene) benzoate of emamectin, fenazaquine, flupirazophos, hydroprene, methoprene, indoxacarb, methoxadiazone, milbemycin-A, pymetrozine, pyridalyl, pyriproxyfen, spinosad, sulfluramide tolfenpyradiazamate flubendiamide, lepimectin, phosphide aluminum, arsenic oxide, benclotiaz, calcium cyanamide, calcium polysulfide, DSP, flonicamide, flurinfen, formetanate, hydrogen phosphide, metam-ammonium, metam-sodium, methyl bromide, potassium oleate, spiromerase, sulfoxaflor, sulfur, metaflumizone , espirotetramato, pirifluquinazona, espinetoram, chlorantraniliprol, tralopirilo, diafentiurona and others.

A compound of the formula (A): where Xa1 represents a methyl group, a chlorine atom, a bromine atom or a fluorine atom, Xa2 represents a fluorine atom, a chlorine atom, a bromine atom, a haloalkyl of C1-C4 or a haloalkoxy group of C1-C4, Xa3 represents a fluorine atom, a chlorine atom or a bromine atom, Xa4 represents an optionally substituted C1-C4 alkyl group, a C3-C4 alkenyl group optionally substituted, an optionally substituted C3-C4 alkynyl group, an optionally substituted C3-C5 cycloalkylalkyl group or a hydrogen atom, Xa5 represents a hydrogen atom or a methyl group, Xa6 represents a hydrogen atom, a fluorine atom or a chlorine atom and Xa7 represents a hydrogen atom, a fluorine atom or a chlorine atom.

A compound of the formula (B): where Xbl represents a group Xb2-NH-C (= 0), a group Xb2-C (= 0) -NH-CH2 / a group Xb3-S (0), an optionally substituted pyrrol-1-yl group, an imidazole group optionally substituted -l-yl, an optionally substituted pyrazol-l-yl group or an optionally substituted 1,2,4-triazol-l-yl group, Xb2 represents an optionally substituted haloalkyl group of C 1 -C 4 such as a group 2, 2,2-trifluoroethyl or an optionally substituted C3-C6 cycloalkyl group such as a group cyclopropyl, Xb3 represents an optionally substituted C 1 -C 4 alkyl group such as a methyl group and X 4 represents a hydrogen atom, a chlorine atom, a cyano group or a methyl group.

A compound of the formula (C): where Xcl represents an optionally substituted C 1 -C 4 alkyl group such as a 3,3,3-trifluoropropyl group, an optionally substituted C 1 -C 4 alkoxy group such as a 2,2,2-trichloroethoxy group, an optionally substituted phenyl group such as a 4-cyanophenyl group or an optionally substituted pyridyl group such as a 2-chloro-3-pyridyl group, Xc2 represents a methyl group or a trifluoromethylthio group and Xc3 represents a methyl group or a halogen atom.

Examples of the active ingredient such as miticides include the following: acequinocyl, amitraz, benzoximate, bifenazato, bromopropilato, quinometionato, chlorobencilato, CPCBS (chlorfensona), clofentezina, ciflumetofeno, queltano (that also is mentioned like dicofol), etoxazol, oxide of fenbutatin, phenothiocarb, fenpyroximate, fluacripirim, halfenprox, hexitiazox, propargite (abbreviated BPPS), polinactins, pyridaben, pyrimidifen, tebufenpyrad, tetradiphone, spirodiclofen, spiromesifen, spirotetramate, amidoflumet, and other.

Examples of the active ingredient such as nematicides include the following: DCIP, fosthiazate, levamisole, methylisothiocyanate, morantel tartarate, imiciaphos and others.

Examples of the active ingredient such as fungicides include the following: (1) Polyhaloalkylthio compounds catch, folpet and others. (2) Organophosphorus compounds IBP, EDDP, tolclofos-methyl and others. (3) Benzimidazole compounds benomyl, carbendazim, thiophanate-methyl, thiabendazole and others. (4) Carboxyamide compounds carboxin, mepronil, flutolanil, tifluzamide, furametpir, boscalide, pentiopyrad and others. (5) Dicarboxyimide compounds procymidone, iprodione, vinclozolin and others (6) Acylalanine compounds metalaxyl and others. (7) Azole compounds triadimefonone, triadimenol, propiconazole, tebuconazole, ciproconazole, epoxiconazole, protioconazole, ipconazole, triflumizole, prochloraz, penconazole, flusilazole, diniconazole, bromuconazole, diphenoconazole, metconazole, tetraconazole, myclobutanil, fenbuconazole, hexaconazole, fluquinconazole, triticonazole, bitertanol, imazalil, flutriafol and others. (8) Morpholine compounds dodemorf, tridemorf, fenpropimorf and others. (9) Strobilurin compounds azoxystrobin, cresoxim-methyl, metominostrobin, trifloxystrobin, picoxystrobin, pyraclostrobin, fluoxastrobin, dimoxystrobin and others. (10) Antibiotics validamicin A, blasticidin S, casugamicin, polyoxin and others. (11) Dithiocarbamate compounds mancozeb, maneb, tiuram and others, and (12) Other fungicide active ingredients phthalide, probenazole, isoprothiolane, tricyclazole, pyroquilone, ferimzone, acibenzolar S-methyl, carpropamide, diclocimet, phenoxanyl, thiadinyl, diclomezine, tecloftalam, penicuron, oxolinic acid, TPN, triforine, fenpropidine, spiroxamine, fluazinam, iminoctadine, fenpiclonil, fludioxonil, quinoxifene, fenhexamide, siltiofam, proquinazide, ciflufenamide, Bordeaux mixture, diclofluanide, cyprodinil, pyrimethanil, mepanipyrim, dietofencarb, piribencarb, famoxadone, fenamidone, zoxamide, etaboxam, amisulbromo, iprovalicarb, bentiavalicarb, ciazofamide, mandipropamide, metrafenone, fluopyram, bixafen and others.

The examples of the active ingredient as the synergists include the following: piperonyl butoxide, sesamex, sulfoxide, N- (2-ethylhexyl) -8,9,10-trinorborn-5-en-2,3-dicarboximide (MGK 264), N-decliimidazole), WARF-anti-resistant, TBPT, TPP, PPI, PSCP, methyl iodide (CH3I), t-phenylbutenone, diethylmaleate, DMC, FDMC, ETP, ETN and others.

Examples of the subjects to be controlled by the present herbicide include the following: Weeds: Digitaria ciliaris, Eleusine indica, Setaria viridis, Setaria faberi, Setaria glauca, Echinochloa crus-galli, Panicum dichotomiflorum, Panicum texanum, Brachiaria platyphilla, Brachiaria plantaginea, Brachiaria decumbens, Sorghum halepense, Andropogon sorghum, Cynodon dactilon, Avena fatua, Lolium multiflorum, Alopecurus myosuroides, Bromus tectorum, Bromus sterilis, Phalaris minor, Apera spica-venti, Poa annua, Agropyron repens, Cyperus iria, Cyperus rotundus, Cyperus esculentus, Portulaca oleracea, Amaranthus retr oflexus, Amaranthus hybridus, Amaranthus palmeri, Amaranthus rudis, Abutilon theophrasti, Sida spinosa, Fallopia convolvulus, Polygonum scábrum, Persicaria pennsilvanica, Persicaria vulgaris, Rumex crispus, Rumex obtusifolius, Fallopia japonica, Chenopodium album, Kochia scoparia, Polygonum longisetum, Solanum nigrum, Datura stramonium , Ipomoea purpurea, Ipomoea hederacea, Ipomoea hederacea var. integrous, Ipomoea lacunosa, Convolvulus arvensis, Lamium purpureum, Lamium amplexicaule, Xanthium pensilvanicum, Helianthus annuus, Matricaria perforata or odorata, Matricaria chamomilla, Chrysanthemum segetum, Matricaria matricarioides, Ambrosia artemisiifolia, Ambrosia trífida, Erigeron canadensis, Artemisia princeps, Solidago altissima, Conyza bonariensis, Sesbania exaltata, Cassia obtusifolia, Desmodium tortuosum, Trifolium repens, Pueraria lobata, Vicia angusti folia, Co melina communis, Commelina benghalensis, Galium aparine, Stellaria media, Raphanus raphanistrum, Sinapis arvensis, Capsella bursa-pastoris, Veronica persica, Veronica hederi folia, Viola arvensis, Viola tricolor, Papaver rhoeas, Myosotis scorpioides, Asclepias syriaca, Euphorbia helioscopia, Chamaesyce nutans, Geraniu carolinianum, Erodium cicutariu, Equisetum arvense, Lepania japonica, Echinochloa oryzicola, Echinochloa crus-galli var. Formosensis, Leptochloa chinensis, Cyperus difformis, Fimbristilis miliacea, Eleocharis acicularis, Scirpus juncoides, Scirpus wallichii, Cyperus serotinus, Eleocharis kuroguwai, Bolboschoenus koshevnikovii, Schoenoplectus nipponicus, Monochoria vaginalis, Lindernia procu bens, Dopatrium junceum, Rotala indica, Ammannia multiflora, Elatine triandra, Ludwigia epilobioides, Sagittaria pygmaea, Alisma canal iculatum, Sagittaria trifolia, Potamogene distinctus, Oenanthe javanica, Callitriche palustris, Lindernia micrantha, Lindernia dubia, Eclipta prostrata, Murdannia keisak, Paspalum distichum, Leersia oryzoides and others; Aquatic plants: Alternanthera philoxeroides, Limnobium spongia, Ceratopteris (Salvinia sp.), Pistia stratiotes, Hydrotile verticillata (Hydrocotile sp.), Filamentous algae (Pithophora sp., Cladophora sp.), Ceratophillum demersum, Lemna sp., Cabomba caroliniana, Hydrilla verticillata, Najas guadalupensis, Potamogeton crispus, Potamogeton illinoensis, Potamogeton pectinatus and the like, Nolffia sp., Myriophillum spicatum, Myriophillum heterophillum and the like, Eichhornia crassipes and others; Moss, Liverworts, Hornworts; Cyanobacterium; Ferm; Sucher of perennial plants (such as pome fruits, fruity pit fruits, berries, nuts, citrus fruits, hops and grapes).

The present compound can be prepared, for example, from according to the process mentioned below.

Process 1 The present compound of the formula (la), wherein G represents a hydrogen atom can be prepared by heating a compound of the formula (2) in the presence or absence of a base. wherein, R1, R2, R3, R4, X, n, m and Z are as defined above; R8 represents a methyl group, an ethyl group or an isopropyl group, preferably an isopropyl group] The reaction is usually carried out in a solvent-free and can also be carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; amides such as dimethylformamide and dimethylacetamide; and mixed solvents thereof and, preferably, include toluene and xylene.

Examples of the base to be used in the reaction include organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine and 1,8-diazabicyclo [5.4.0] -7-undecene. The amount of the base used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 2 to 5 molar equivalents to 1 mole of the compound of the formula (2).

The reaction temperature is usually within a range of 100 to 200 ° C and, preferably, within a range of 130 to 180 ° C. The reaction period of the reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are acidified with an acid, mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the the formula (la) Process 2 The present compound of the formula (la), wherein G represents a hydrogen atom, can also be prepared by reacting a compound of the formula (3) and a compound of the formula (4) in the presence of a base. wherein, R1, R2, R3, R4, X, n, m and Z are as defined above.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as dimethylformamide and dimethylacetamide; sulfones such as sulfolane; and mixed solvents of them.

Examples of the base to be used in the reaction include organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine and 1,8-diazabicyclo [5.4.0] -7-undecene. The amount of the base used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 2 to 5 molar equivalents to 1 mole of the compound of the formula (3).

The reaction temperature is usually within a range of -60 to 180 ° C and, preferably, within a range of -10 to 100 ° C. The reaction period of the reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical media such as layer chromatography fine and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are acidified with an acid, mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the the formula (la) Process 3 The present compound of the formula (Ib), wherein the group G represents a group other than a hydrogen atom can be prepared by reacting a compound of the formula (la) and a compound of the formula (5). where G1 represents a group of any of the formulas: -W where L, R5, R6, R7 and W are as previously defined; X1 represents a halogen atom (e.g., a chlorine atom, a bromine atom, an iodine atom, and the like), a Ci-3-sulfonyloxy alkyl group optionally substituted with one or more halogen atoms (for example, a methylsulfonyloxy group, a trifluoromethylsulfonyloxy group) or a group of a formula: OG1 (provided, when G1 represents a group of the formula: H - C-W R7 X1 represents a halogen atom or a Ci-3-sulfonyloxy alkyl group optionally substituted with one or more halogen atoms); Y R1, R2, R3, R4, X, n, m and Z are as previously defined] The reaction is usually carried out in a solvent. Examples of the solvent to be used include aromatic hydrocarbons such as benzene and toluene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as dimethylformamide and dimethylacetamide; sulfoxides such as dimethylsulfoxide; sulfones such as sulfolane; and mixed solvents of them.

Examples of the compound of the formula (5) for use in the reaction include carboxylic halides such as acetyl chloride, propionyl chloride, isobutyryl chloride, pivaloyl chloride, benzoyl chloride and cyclohexanecarboxylic chloride; carboxylic anhydrides such as acetic anhydride and trifluoroacetic anhydride; carbonate halides semi-ester such as methyl chloroformate, ethyl chloroformate and phenyl chloroformate; carbide halides such as dimethylcarbamoyl chloride; sulfonic halides such as methanesulfonyl chloride and p-toluenesulfonyl chloride; sulfonic anhydrides such as methanesulfonic anhydride and trifluoromethanesulfonic anhydride; alkylhalogenalkyl ethers such as chloromethylmethylether and ethylchloromethyl ether.

The amount of the compound of the formula (5) used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the compound of the formula (the).

The reaction is usually carried out in the presence of a base. Examples of the base to be used in the reaction include organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine, 1,8-diazabicyclo [5.4.0] -7-undecene; and inorganic bases such as sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate, calcium carbonate and sodium hydride. The amount used of the base is usually within a range of 0.5 to 10 molar equivalents and, preferably, within a range of 1 to 5 molar equivalents to 1 mole of the compound of the formula (la) The reaction temperature is usually within a range of -30 to 180 ° C and, preferably, within a range of -10 to 50 ° C. The reaction period of the reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (Ib).

The compound of the formula (5) is a known compound or can be prepared from a known compound.

Process 4 The present compound, wherein X represents S (O) can be prepared by oxidation of a compound, wherein X represents S, ie, a compound of the formula (le). When an alkylthio group or an alkylsulfinyl group is contained in any position other than X in a compound of a formula (le), these groups can also be be rusted wherein R1, R2, R3, R4, G, n, m and Z are as defined above.

An oxidizing agent is used in the reaction. Examples of the oxidizing agent to be used in the reaction include hydrogen peroxide; peracids such as peracetic acid, perbenzoic acid and m-chloroperbenzoic acid; sodium periodate, ozone, selenium dioxide, chromic acid, dinitrogen tetraoxide, acetyl nitrate, iodine, bromine, N-bromosuccinimide and iodosylbenzene. The oxidizing agent is usually used within a range of 0.8 to 1.2 molar equivalents to 1 mole of the compound of the formula (le).

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include saturated hydrocarbons such as hexane, heptane, octane and cyclohexane; aromatic hydrocarbons such as benzene, toluene, xylene, chlorobenzene and dichlorobenzene; halogenated hydrocarbons such as dichloromethane, chloroform, 1,2-dichloroethane and carbon tetrachloride; alcohols such as methanol, ethanol and propanol; nitriles such as acetonitrile; amides such as dimethylformamide and dimethylacetamide; sulfones such as sulfolane; organic acids such as acetic acid and propionic acid; Water; and mixed solvents of them.

The reaction temperature is usually within a range of -50 to 100 ° C and, preferably, within a range of 0 to 50 ° C.

The reaction period of the reaction is usually within a range of 10 minutes to 10 hours.

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (ld) Process 5 The present compound, wherein X represents S (O) 2 can be prepared by oxidation of a compound of the formula (le), where X represents S or S (0). When an alkylthio group, an alkylsulphyl group, a haloalkylthio group and / or a haloalkylsulfinyl group are contained in any position other than X in the compound of the formula (le), these groups are also they can oxidize. wherein r is 0 or 1 and R1, R2, R3, R4, G, n, m and z are as defined above.

An oxidizing agent is used in the reaction. Examples of the oxidizing agent include hydrogen peroxide; peracids such as peracetic acid, perbenzoic acid and m-chloroperbenzoic acid; sodium metaperiodate, ozone, selenium dioxide, chromic acid, dinitrogen tetraoxide, acetyl nitrate, iodine, bromine, N-bromosuccinimide, iodosylbenzene, a combination of hydrogen peroxide and sodium tungsten, a combination of hydrogen peroxide and vanadium catalyst and potassium permanganate.

When the compound of the formula (le) is used, where r is 0, the amount of the oxidizing agent used is usually within a range of 2 to 10 molar equivalents and, preferably, within a range of 2 to 4 equivalents molars with respect to 1 mole of the compound of the formula (le). Further, when the compound of the formula (le) is used, wherein r is 1, the amount of the oxidizing agent used is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 10 molar equivalents. 3 molar equivalents with respect to 1 mole of the compound of the formula (le).

The reaction temperature is usually within a range of 0 to 200 ° C and, preferably, 20 to 150 ° C. The reaction period of the reaction is usually within a range of 30 minutes to 10 hours.

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (I).

Process 6 The present compound of the formula (lg) can be prepared by reacting a compound of the formula (21) and a compound of the formula (20) in the presence of a base. where RIO represents an alkyl group of Ci-6 or an aryl group of Ce-io (provided that the alkyl group of Ci-6 and the aryl group of Ce-io may optionally have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other, and the aryl group of Ce-io may optionally have one or more Ci-6 alkyl groups and when there are two or more Ci-s alkyl groups, the alkyl groups may be the same or different from each other; R1, R2, R3, R4, n, m, Z and G1 are as defined above.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides like dimethylformamide and dimethylacetamide; and mixed solvents of them. The amount used of the compound of the formula (20) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 5 molar equivalents to 1 mole of the compound of the formula (21).

Examples of the base to be used in the reaction include organic bases such as triethylamine, triproylamine, pyridine, dimethylaminopyridine and 1,8-diazabicyclo [5.4.0] -7-undecene. The amount used of the base is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 2 to 5 molar equivalents to 1 mole of the compound of the formula (21).

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, an acid is added to the reaction mixtures and the reaction mixtures are then mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated). to obtain the compound of the formula (lg).

The compounds that are prepared according to the above-mentioned processes 1 to 5 can be isolated and / or purified by other known means such as concentration, concentration under reduced pressure, extraction, re-extraction, crystallization, recrystallization and chromatography.

Reference process 1 The present compound of the formula (2) can be prepared, for example, by reacting the compound of the formula (6) and tetrabutylammonium fluoride (hereinafter, sometimes described as "TBAF") in the presence of a base. wherein, R1, R2, R3, R4, R8, X, Z, n and m are as defined above; R9, R10 and R11 represent a methyl group, an ethyl group, a t-butyl group, an isopropyl group or a phenyl group, preferably a methyl group.

The reaction is usually carried out in a solvent under an inert gas atmosphere. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as dimethylformamide and dimethylacetamide; sulfones such as sulfolane; and mixed solvents of them.

Examples of the inert gas to be used in the reaction include nitrogen and argon.

The amount of tetrabutylammonium fluoride used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the compound of the formula (6).

Examples of the base to be used in the reaction include alkali metal amides such as lithium diisopropylamide, sodium bis (trimethylsilyl) amide, lithium bis (trimethylsilyl) amide and potassium bis (trimethylsilyl) amide; organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine, 1,8-diazabicyclo [5.4.0] -7-undecene and N, N-diisopropylethylamine; metal alkoxides such as potassium tert-butoxide; and alkali metal hydrides such as sodium hydride and, preferably, alkali metal amides such as lithium diisopropylamide.

The amount of the base used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 2 molar equivalents to 1 mole of the compound of the formula (6).

The reaction temperature is usually within a range of -80 to 180 ° C, preferably, within a range of -80 to 50 ° C and more preferably, within a range of -20 to 40 ° C. The reaction period of the reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (2).

Reference process 2 The compound of the formula (6) can be prepared, for example, by reacting the compound of the formula (7) and the compound of the formula (8) in the presence of a base. , where, R1, R2, R3, R4, R8, R9, R10, R11, Z, X, n and are as defined earlier; In addition, X2 represents a halogen atom (e.g., chlorine atom, bromine atom or iodine atom).

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; and mixed solvents of them.

The amount used of the compound of the formula (8) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the compound of the formula (7).

Examples of the base to be used in the reaction include alkali metal amides such as lithium diisopropylamide, sodium bis (trimethylsilyl) amide, lithium bis (triethylsilyl) amide and potassium bis (trimethylsilyl) amide.

The amount used of the base to be used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 2 molar equivalents to 1 mole of the compound of the formula (8) .

The reaction temperature is usually within a range of -80 to 180 ° C and, preferably, within a range of -80 to 30 ° C. The reaction period of the reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (6).

The compound of the formula (8) is a known compound or can be prepared from a known compound.

Reference process 3 The compound of the formula (7) can be prepared, for example, by reacting the compound of the formula (9) and the compound (A). ; wherein, R1, R2, R3, R4, R8, R9, R10, R11, X, X2 and m are as defined above.

Examples of the compound (A) to be used in the reaction they include thionyl chloride, phosphorus tribromide, phosphorus triiodide and l-chloro-2-methyl-1-propenyldimethylamine. The preferable example includes l-chloro-2-methyl-1-propenyldimethylamine.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as dimethylformamide and dimethylacetamide; sulfones such as sulfolane; and mixed solvents of them. The preferable example includes halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane.

The amount used of the compound (A) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 2 molar equivalents to 1 mole of the compound of the formula 9).

The reaction temperature is usually within a range of -30 to 150 ° C and, preferably, within a range of -10 to 30 ° C. The reaction period of the reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling of a part of the reaction mixtures followed by concentration of the reaction mixtures under reduced pressure and performing analytical means as a nuclear magnetic resonance instrument in the resulting organic materials. When the reaction is complete, for example, the reaction solutions are treated (e.g., concentration under reduced pressure) to obtain the compound of the formula (7) Reference process 4 The compound of the formula (9) can be prepared, for example, by reacting a compound of the formula (10) and base. wherein, R1, R2, R3, R4, R8, R9, R10, R11, X and m are as defined above.] The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; alcohols such as methanol and ethanol; amides such as dimethylformamide and dimethylacetamide; and mixed solvents of them.

Examples of the base to be used in the reaction include inorganic bases such as lithium hydroxide, hydroxide of sodium, potassium hydroxide, sodium methoxide and sodium ethoxide.

The amount used of the base to be used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 5 molar equivalents to 1 mole of the compound of the formula (10) .

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures by thin layer chromatography and high performance liquid chromatography, and the like. When the reaction is complete, for example, an acid is added to the reaction mixtures and the resulting reaction mixture is mixed with water and extracted with organic solvent and the resulting organic layer is treated (eg, dried and concentrated) to obtain the compound of the formula (9).

Reference process 5 The compound of the formula (10) can be prepared, for example, by reacting a compound of the formula (12) and a compound of the formula (11) in the presence of a base. wherein, R1, R2, R3, R4, R8, R9, R10, R11, X, X2 and m are as defined above.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene and toluene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as dimethylformamide and dimethylacetamide; sulfones such as sulfolane; and mixed solvents of them.

Examples of the compound of the formula (11) for use in the reaction include chlorotrimethylsilane and tert-butyldimethylchlorosilane.

The amount used of the compound of the formula (11) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the compound of the formula (12).

Examples of the base to be used in the reaction include alkali metal amides such as lithium diisopropylamide, sodium bis (trimethylsilyl) amide, bis (trimethylsilyl) amide. lithium and potassium bis (trimethylsilyl) amide; organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine, 1,8-diazabicyclo [5.4.0] -7-undecene, N, N-diisopropylethylamine and imidazole; metal alkoxides such as potassium tert-butoxide; and alkali metal hydrides such as sodium hydride and, preferably, organic bases such as imidazole.

The amount used of the base to be used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 2 molar equivalents to 1 mole of the compound of the formula (12) .

The reaction temperature is usually within a range of -80 to 180 ° C and, preferably, within a range of -10 to 100 ° C. The reaction period of this reaction is usually within a range of 10 minutes. at 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (10).

Reference process 6 The compound of the formula (12) can be prepared, for example, by reacting a compound of the formula (13) and the base, followed by reaction with a compound of the formula (14) wherein, R1, R2, R3, R4, R8, X and m are as defined above.

Examples of the compound of the formula (13) for use in the reaction include methyl acetate, ethyl acetate and isopropyl acetate.

The amount used of the compound of the formula (13) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the molar equivalent. composed of the formula (14).

The amount used of the base to be used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 2 molar equivalents to 1 mole of the compound of the formula (13) .

The reaction temperature is usually within a range of -80 to 180 ° C and, preferably, within a range of -80 to 50 ° C. The reaction period of this reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When complete the reaction, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (12).

The compound of the formula (13) is a known compound or can be prepared from a known compound.

Reference process 7 The compound of the formula (3) can be prepared, for example, by reacting a compound of the formula (15) in the presence of an acid. ¥ v O R2 R3 155 wherein, R1, R2, R3, R4, R8, X and m are as defined above.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; alcohols such as methanol and ethanol; amides such as dimethylformamide and dimethylacetamide; and mixed solvents of them.

Examples of the acid to be used in the reaction include hydrochloric acid and boron tribromide. The amount used of the acid to be used in the reaction is usually within a range of 1 to 10 molar equivalents to 1 mole of the compound of the formula (15).

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, an acid is added to the reaction mixture and the resulting reaction mixture is mixed with water and extracted with an organic solvent and the resulting organic layer is treated (eg, dried and concentrated). to obtain the compound of the formula (3).

Reference process 8 The compound of the formula (15) can be prepared, for example, by reacting a compound of the formula (16) in the presence of a base. where, R1, R2, R3, R4, R8, X and m are as defined above] The reaction is usually carried out in a solvent.

Examples of the solvent to be used in the reaction include ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; alcohols such as methanol and ethanol; amides such as dimethylformamide and dimethylacetamide; and mixed solvents thereof and, preferably, alcohols such as methanol and ethanol.

Examples of the base to be used in the reaction include metal alkoxides such as sodium methoxide.

The amount used of the base to be used in the reaction is usually within a range of 1 to 10 molar equivalents to 1 mole of the compound of the formula (16).

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, an acid is added to the reaction mixture and the resulting reaction mixture is mixed with water and extracted with an organic solvent and the resulting organic layers are treated (e.g., drying and concentration). to get the composed of the formula (15).

Reference process 9 The compound of the formula (16) can be prepared, for example, by reacting a compound of the formula (18) and a compound of the formula (17) in the presence of a base and a Lewis acid. wherein, R1, R2, R3, R4, R8, X and m are as defined above.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as di-ethylformamide and dimethylacetamide; sulfones such as sulfolane; and mixed solvents of them.

Examples of the compound of the formula (17) for use in the reaction include methyl propionate and ethyl propionate.

The amount used of the compound of the formula (17) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents relative to 1 mole of the compound of the formula (18).

Examples of the base to be used in the reaction include organic lithiums such as n-butyllithium, phenyllithium and methyl lithium; alkali metal amides such as lithium diisopropylamide, sodium bis (trimethylsilyl) amide, lithium bis (trimethylsilyl) amide and potassium bis (trimethylsilyl) amide; organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine, 1,8-diazabicyclo [5.4.0] -7-undecene and N, N-diisopropylethylamine; metal alkoxides such as potassium tert-butoxide; and alkali metal hydrides such as sodium hydride.

The amount used of the base to be used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 2 molar equivalents to 1 mole of the compound of the formula (17) .

Examples of the Lewis acid for use in the reaction include boron trifluoride. The amount used of the Lewis acid to be used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 1 to 5 molar equivalents to 1 mole of the compound of the formula (18). ).

The reaction temperature is usually within a range of -80 to 180 ° C and, preferably, within a range from -80 to 50 ° C. The reaction period of this reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixture is mixed with water and extracted with an organic solvent and the resulting organic layer is treated (eg, dried and concentrated) to obtain the compound of the formula (16).

The compound of the formula (17) is a known compound or can be prepared from a known compound.

The compound of the formula (18) can be prepared according to a method described in Journal of Organic Chemistry (2009), vol. 74, p. 9509-9512, Journal of Organic Chemistry (2008), vol. 73, p.9479-9481 or Canadian Journal of Chemistry (1981) vol.59, p. 1415 to 1424 or similar methods.

Reference process 10 A compound of the formula (4) can be prepared, for example, by reaction of a compound of the formula (19) with zinc tetraacetate in the presence of a base according to Marie-Luise Huber and John T. Pinhei, Journal of Chemical Society Perkin Transion 1 (1990), p.721.

OH i & ? H PbtGAc), ·, base - ^ ¾5¡ -Pb (OAc 3 (Z), solvent ¾T (19) (4) where Z and n are as previously defined.

The compound of the formula (19) is a known compound or can be prepared from a known compound. For example, the compound of formula (19) can be prepared according to a method described in JP 2008-133252 A or a similar method.

Reference process 11 The compound of the formula (21) can be prepared by reacting a compound of the formula (23) and a compound of a formula (22). wherein, R10, X1, R1, R2, R3, n, m, G1 and Z are as defined above.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as dimethylformamide and dimethylacetamide; sulfoxides such as dimethylsulfoxide; sulfones such as sulfolane; and mixed solvents of them.

Examples of the compound of the formula (22) for use in the reaction include sulphonic halides such as methanesulfonyl chloride and p-toluenesulfonyl chloride; sulfonic anhydrides such as methanesulfonic anhydride and trifluoromethanesulfonic anhydride. The amount used of the compound of the formula (22) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the compound of the formula (23).

The reaction is usually carried out in the presence of a base. Examples of the base to be used in the reaction include organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine, 1,8-diazabicyclo [5. .0] -7-undecene; and inorganic bases such as sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate, calcium carbonate and sodium hydride. The amount used of the base to be used in the reaction is usually within a range of 0.5 to 10 molar equivalents and, preferably, within a range of 1 to 5 equivalents molars with respect to 1 mole of the compound of the formula (23).

The reaction temperature is usually within a range of -30 to 180 ° C and, preferably, within a range of -10 to 50 ° C. The reaction period of the reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (21).

The compound of the formula (22) is a known compound or can be prepared from a known compound.

Reference process 12 The compound of the formula (23) can be prepared, for example, by reacting a compound of the formula (24) in the presence of a metal. . wherein, G2 represents a benzyl group or a para-methoxybenzyl group; and R1, R2, R3, n, m, G1 and Z are as defined previously.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene and toluene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; alcohols such as methanol and ethanol; esters such as ethyl acetate; and mixed solvents of them.

Examples of the metal to be used in the reaction include palladium and platinum. The amount used of the metal to be used in the reaction is usually within a range of 0.01 molar equivalents or more and, preferably, within a range of 0.01 to 0.5 molar equivalents to 1 mole of the compound of the formula (24).

The reaction temperature is usually within a range of -30 to 180 ° C and, preferably, within a range of -10 to 50 ° C. The reaction period of this reaction is usually within a range of 10 minutes to 30 hours.

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures were filtered through Celite (registered trademark) and the resulting filtrates were filtered off. treat (e.g., concentration under reduced pressure) to obtain the compound of the formula (23).

Reference process 13 The compound of the formula (24) can be prepared by reacting a compound of the formula (26) and a compound of the formula: G1-X1 in the presence of a base. wherein, R1, R2, R3, X1, n, m, Z, G2 and G1 are as defined above.

The reaction is usually carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene and toluene; ethers such as diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran and dimethoxyethane; halogenated hydrocarbons such as dichloromethane, chloroform and 1,2-dichloroethane; amides such as dimethylformamide and dimethylacetamide; sulfoxides such as dimethylsulfoxide, sulfones such as sulfolane; and mixed solvents of them.

Examples of the compound of the formula: G1-X1 for use in the reaction include carboxylic halides such as acetyl chloride, propionyl chloride, isobutyryl chloride, pivaloyl chloride, benzoyl chloride and cyclohexanecarboxylic; carboxylic anhydrides such as acetic anhydride and trifluoroacetic anhydride; ester carbonate halides such as methyl chloroformate, ethyl chloroformate and phenyl chloroformate; carbide halides such as dimethylcarbamoyl chloride; sulfonic halides such as methanesulfonyl chloride and p-toluenesulfonyl chloride; sulfonic anhydrides such as methanesulfonic anhydride and trifluoromethanesulfonic anhydride; alkylhalogenalkyl ethers such as chloromethyl methyl ether and ethylchloromethyl ether.

The amount used of the compound of the formula: G1-X1 for use in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the compound of the formula (26).

Examples of the base to be used in the reaction include organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine, 1,8-diazabicyclo [5.4.0] -7-undecene; and inorganic bases such as sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate, calcium carbonate and sodium hydride.

The amount used of the base to be used in the reaction is usually within a range of 0.5 to 10 molar equivalents and, preferably, within a range of 1 to 5 molar equivalents to 1 mole of the compound of the formula (26).

The completion of the reaction can be confirmed by analysis of a part of the reaction mixtures in analytical media such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (24).

The compound of the formula: G1-X1 is a known compound or can be prepared from a known compound.

Reference process 14 The compound of the formula (26) can be prepared by heating a compound of the formula (27) in the presence or absence of a base. : wherein, R1, R2, R3, R8, n, m, Z and G2 are as defined above.

The reaction is usually carried out in a solvent-free and can also be carried out in a solvent. Examples of the solvent to be used in the reaction include aromatic hydrocarbons such as benzene, toluene and xylene; amides such as dimethylformamide and dimethylacetamide; and mixed solvents thereof and, preferably, include toluene and xylene.

Examples of the base to be used in the reaction include organic bases such as triethylamine, tripropylamine, pyridine, dimethylaminopyridine and 1,8-diazabicyclo [5.4.0] -7-undecene. The amount used of the base to be used in the reaction is usually within a range of 1 to 10 molar equivalents and, preferably, within a range of 2 to 5 molar equivalents to 1 mole of the compound of the formula (27) .

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When the reaction is complete, for example, the reaction mixtures are acidify with an acid, mix with water and extract with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (la).

Reference process 15 The compound of the formula (27) can be prepared, for example, by reacting a compound of the formula (29) and a compound of the formula (28) in the presence of two molar equivalents of a base. wherein, R1, R2, R3, R4, R8, Z, n, m and G2 are as defined above.

The amount used of the compound of the formula (28) to be used in the reaction is usually within a range of 1 molar equivalent or more and, preferably, within a range of 1 to 3 molar equivalents to 1 mole of the compound of the formula (29).

Examples of the base to be used in the reaction include alkali metal amides such as lithium diisopropylamide, sodium bis (trimethylsilyl) amide, lithium bis (trimethylsilyl) amide and potassium bis (trimethylsilyl) amide; and inorganic bases such as sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate, calcium carbonate, sodium hydride and potassium hydride.

The amount used of the base to be used in the reaction is usually within a range of 2 to 10 molar equivalents and is preferably 2 molar equivalents, relative to 1 mole of the compound of the formula (29).

The reaction temperature is usually within a range of -80 to 180 ° C and, preferably, within a range of -40 to 30 ° C. The reaction period of this reaction is usually within a range of 10 minutes. at 30 hours.

The completion of the reaction can be confirmed by sampling a portion of the reaction mixtures followed by performing analytical means such as thin layer chromatography and high performance liquid chromatography. When complete the reaction, for example, the reaction mixtures are mixed with water and extracted with an organic solvent and the resulting organic layers are treated (eg, dried and concentrated) to obtain the compound of the formula (27).

The compound of the formula (28) can be prepared, for example, according to a method described in WO 2007/144625.

Some examples of the present compounds that can be prepared according to the aforementioned processes are shown below. In the following, the compound of the formula (a-b) implies the present compound (a-b). ' . (1-15) 1-16 . . . , ' 5 (1-109) EXAMPLES The present invention is described below in more detail with the Preparation Examples, Reference Examples, Formulation Examples and Test Examples, but the present invention should not be construed as limiting.

The "ambient temperature" (hereinafter, sometimes abbreviated as "TA") described in Preparation Example and Reference Examples usually means 10 to 30 ° C.

NMR ¾ means a proton nuclear magnetic resonance spectrum and tetramethylsilane is used as an internal standard and the chemical shift (d) is expressed in ppm.

The following abbreviations are sometimes used in Preparation Examples 5 and Reference Examples. CDCl3: chloroform deuterated, s: singlet, d: doublet, t: triplet, q: quartet, m: multiplet, Me: methyl group, Et: ethyl group, Phe: phenyl group, OMe: methoxy group, EtOAc: ethyl acetate, TBS: tert-butyldimethylsilyl group, eq .: equivalent, pet ether: petroleum ether and RM: reaction mixture.

Preparation Example 1-1: Preparation of a compound of the formula (1-1) Preparation of a compound of the formula 14-1 At RT, a compound of the formula (20-1) 15 g and tetrahydrofuran 45 ml were mixed and then stirred. The resulting mixture was cooled to 0 ° C and thereto were then added acrolein (90%) 8.1 ml and 0.4 ml triethylamine dropwise. The resulting mixture was stirred under ice-cooling for 3 hours. Water was then added to the resulting reaction mixture. The resulting mixture was extracted with tert-butyl methyl ether. The organic layer was washed with water and dried over anhydrous Na 2 SO 4 and concentrated under reduced pressure to obtain the compound of the formula (14-1) 19.8 g.

NMR ¾ (CDCl3) d ppm: 9.79 (1H, s), 7.54 (2H, d), 7.38 (2H, d), 3.25 (2H, t), 2.84 (2H, t) Preparation of a compound of the formula 12-1 Under a nitrogen atmosphere, diisopropylamine 14.4 ml was diluted with 85 ml tetrahydrofuran. The resulting solution was cooled to -78 ° C and thereto was added n-butyllithium (1.63 M hexanolic solution) 63.4 ml dropwise. The reaction solution was then stirred at 0 ° C for about 10 minutes and cooled to -78 ° C again and thereto was slowly added a compound of the formula (13-1) 8.0 ml dropwise. The resulting mixture was stirred at the same temperature for about 1 hour. To the resulting solution was slowly added a dilute solution of a compound of the formula (14-1) 19.8 g in tetrahydrofuran 100 ml dropwise for about 1 hour. The resulting reaction solution was stirred at the same temperature for about two hours. To the reaction solution, saturated aqueous solution of 300 ml ammonium chloride was then added and the organic layer was extracted with ethyl acetate and washed with saturated physiological solution and dried over anhydrous MgSO 4. The resulting organic layer was concentrated under reduced pressure to obtain the crude compound of the formula (12-1) 26 g.

RMN CH (d-DMSO) d ppm: 7.51 (2H, d), 7.37 (2H, d), 4.21-4.17 (1H, m), 3. 72 (3H, s), 3.24-3.04 (3H, m), 2.55-2.43 (2H, m), 1.93- 1.73 (2H, m) Preparation of a compound of the formula 10-1 The compound of the formula (12-1) 25.9 g and imidazole 14. 3 g were dissolved in anhydrous N, -dimethylformamide 150 ml. To the resulting mixture was added at room temperature tert-butyldimethyl-ilchlorosilane 15.2 g and the resulting mixture was stirred for about 12 hours. 200 ml water was added to the reaction mixture and the resulting mixture was extracted with tert-butyl methyl ether. The organic layer was washed with saturated brine and dried over anhydrous MgSC and concentrated under reduced pressure to obtain crude product of a compound of the formula (10-1). The crude product was purified by column chromatography using (SiO2) eluting EtOAc: hexane (1: 20) to obtain the compound of the formula (10-1) 34 g as a light yellow oil.

NMR ¾ (CDCI3) d ppm: 7.51 (2H, d), 7.35 (2H, d), 4.30-4.24 (1H, m), 3. 65 (3H, s), 3.09-2.95 (2H, m), 2.50 (2H, ddd), 1.87 (2H, td), 0.88 (9H, s), 0.07 (3H, s), 0.06 (3H, s) Preparation of a compound of the formula 9-1 The compound of the formula (10-1) 34 g was dissolved in a mixed solution of tetrahydrofuran 60 ml and water 40 ml. To the resulting solution was added lithium hydroxide monohydroxide 8.45 g and the resulting mixture was heated to reflux for about 4 hours. The resulting reaction solution was then cooled to RT and thereto was added 3N 130 mL hydrochloric acid and the resulting mixture was extracted with ethyl acetate. The organic layer obtained was dried over anhydrous MgSCh and filtered. The obtained filtrate was concentrated under reduced pressure to obtain a compound of the formula (9-1) 31.8 g.

NMR ¾ (CDCl3) d ppm: 7.51 (2H, d), 7.35 (2H, d), 4.31-4.25 (1H, m), 3. 12-2.96 (2H, m), 2.56-2.53 (2H, m), 1.90 (2H, td), 0.89 (9H, s), 0.09 (6H, s) Preparation of a compound of the formula 6-1 At 0 ° C under ice-cooling, a compound of formula (9-1) 2.0 g was dissolved in dehydrated chloroform 40 i and to the resulting solution was added l-chloro-2-methyl-1-propenyldimethylamine 0.78 ml. The resulting mixture was then raised to RT and stirred for about 3 hours. The resulting reaction solution was then concentrated under reduced pressure.

Under a nitrogen atmosphere, diisopropylamine 1.67 ml was diluted with 18 ml tetrahydrofuran and the resulting solution was cooled to -78 ° C and thereto was added n-butyllithium (1.63 M hexanolic solution) 6.7 ml dropwise. The reaction solution was then stirred at 0 ° C for about 10 minutes and cooled to -78 ° C again. Thereto was slowly added a solution of a compound of the formula (8-1) 1.0 g in tetrahydrofuran 6 ml dropwise and the resulting mixture was stirred at the same temperature for about 1 hour. To the resulting solution was added slowly a solution of a compound of the formula (7-1) in tetrahydrofuran 12 ml dropwise. The resulting reaction solution was stirred at the same temperature for about 5 hours. The resulting reaction solution was poured into 0.5 N 100 ml hydrochloric acid and the organic layer was extracted with ethyl acetate and washed with saturated brine and dried over anhydrous MgSO 4. The resulting organic layer was concentrated under reduced pressure to obtain crude product of a compound of the formula (6-1) 3.35 g. The obtained oil was purified by column chromatography using (SiO2) eluting EtOAc: hexane (1: 99) to obtain a compound of the formula (6-1) 640 mg.

XH NMR (CDCl3) d ppm: 13.19 (1H, s), 7.62 (2Hf d), 7.44 (2H, d), 7.00-6.98 (2H, m), 4.20-4.14 (1H, m), 3.80 (3H, s), 3.05- 3.00 (2H, m), 2.44-2.35 (5H, m), 2.18-2.15 (6H, m), 1.95-1.79 (2H, m), 0. 95 (9H, s), 0.14 (3H, s), 0.08 (3H, s) Preparation of a compound of the formula 2-1 The compound of the formula (6-1) 640 mg was dissolved in 5 ml tetrahydrofuran. Tetrabutylammonium fluoride 1.44 ml was added to the resulting mixture at room temperature. drop by drop and the reaction mixture was stirred at room temperature for 4 hours. To the reaction mixture 0.5N 30 mL hydrochloric acid and 30 mL ethyl acetate were added and the organic layer was separated. The obtained organic layer was dried over anhydrous MgSC and concentrated under reduced pressure in the crude product of a compound of the formula (2-1) 570 mg.

NMR ¾ (CDCl3) d ppm: 13.34 (1H, s), 7.49 (2H, d), 7.31 (2H, d), 6.86 (2H, s), 4.13-4.06 (1H, m), 3.69 (3H, s), 3.35-3.30 (2H, s), 3. 09-2.92 (2H, m), 2.31-2.04 (12H, m) Preparation of a compound of the formula 1-1 Under a nitrogen atmosphere, the compound of the formula (2-1) 570 mg was heated to reflux with stirring in an oil bath which was set outside the temperature to 150 ° C for about 30 minutes. The resulting mixture was then cooled to RT and the oil obtained was purified by column chromatography using (SiO2) eluting EtOAc: hexane (1: 2) to obtain a compound of the formula (1-1) 154 mg.

NMR ¾ (CDCI3) d ppm: 7.54 (2H, d), 7.41 (2H, d), 6.96 (2H, s), 5.79 (1H, s), 4.75-4.68 (1H, m), 3.35-3.17 (2H,), 2.78-2.53 (2H, m), 2.32-2.01 (11H, m) Preparation Example 1-2: Preparation of a compound of the formula (1-2) Preparation of a compound of the formula 14-2 At RT, a compound of the formula (20-2) 15 g and tetrahydrofuran 90 ml were mixed and stirred and the resulting mixture was cooled to 0 ° C and then methacrolein 9.0 ml and triethylamine 1.1 ml were added dropwise successively and The resulting mixture was stirred under cooling with ice for 5 hours. Water was then added to the resulting mixture and the resulting mixture was extracted with tert-butyl methyl ether. The organic layer was washed with water and dried over anhydrous Na2SO4 and concentrated under reduced pressure to a compound of the formula (14-2) 20.8 g.

RM ¾ (CDCl3) d ppm: 9.73 (1H, s), 8.66 (1H, s), 7.67 (1H, d), 7.27 (1H, d), 3.59-3.54 (1H, m), 3.38-3.33 (1H, m), 2.86 -2.81 (1H, m), 1.26 (3H, d) Preparation of a compound of the formula 12-2 .

Under a nitrogen atmosphere, diisopropylamine 14.0 ml it was diluted with tetrahydrofurano 85 ml and the resulting solution was cooled to -78 ° C and thereto was added n-butyllithium (1.63 M hexane solution) 62.3 ml dropwise. The reaction solution was then stirred at 0 ° C for about 10 minutes and cooled to -78 ° C again and a dilute solution of a compound of the formula (13-1) 8.0 ml in tetrahydrofuran 45 ml was slowly added thereto. drop by drop and the resulting mixture was stirred at the same temperature for about 1 hour. To the resulting solution was added slowly a dilute solution of a compound of the formula (14-2) 20.8 g in tetrahydrofuran 100 ml dropwise for about 1 hour. The resulting reaction solution was stirred at the same temperature for about 2 hours. To the aforesaid reaction solution, saturated aqueous solution of ammonium chloride 330 ml was then added and the organic layer was extracted with ethyl acetate and washed with saturated physiological solution and dried over anhydrous MgSO 4. The obtained organic layer was concentrated under reduced pressure to obtain crude product of a compound of the formula (12-2) 18.5 g.

NMR! H (d-DMSO) d ppm: 8.63 (1H, s), 7.68 (1H, d), 7.34-7.30 (1H, m), 4.69-4.26 (1H, m), 4.07-3.88 (1H, m), 3.71 (3H, d) , 3.53-3.41 (1H, m), 3.39-3.00 (1H, m), 2.66-2.57 (1H, m), 2.52- 2. 41 (1H, m), 1.07-1.02 (3H, m) Preparation of a compound of the formula 10-2 The compound of the formula (12-2) 18.3 g and imidazole 9. 62 g were dissolved in anhydrous N, N-dimethylformamide 150 ml. To the resulting mixture was added at room temperature tert-butyldimethyl-lichlorosilane 10.2 g and the resulting mixture was stirred for about 12 hours. 200 ml water was added to the reaction mixture and the resulting mixture was extracted with tert-butyl methyl ether. The organic layer was washed with saturated physiological solution and dried over anhydrous MgSO 4 and concentrated under reduced pressure to obtain crude product of a compound of the formula (10-2). The crude product was purified by column chromatography using (S1O2) eluting EtOAc: hexane (1:10) to obtain a compound of the formula (10-2) as a pale yellow oil 15.1 g. d ppm: 8.63 (1H, s), 7.64 (1H, d), 7.26 (1H, d), 4.36-4.24 (1H, m), 3.66 (3H, d), 3.48-3.31 (1H, m), 3.11 -2.81 (1H, m), 2.62-2.44 (2H, m), 2.05-1.90 (1H, m), 1.03 (3Hf dd), 0.87 (9H, d), 0.11-0.03 (6H, m) Preparation of a compound of the formula 9-2 A compound of the formula (10-2) 15 g was added to a mixed solution of tetrahydrofuran 27 ml and water 18 ml. To the resulting solution was added 98% lithium hydroxide 2.1 g and the resulting mixture was heated to reflux for about 4 hours. The resulting reaction solution was then cooled to RT and to the reaction solution was added 0.1 N aqueous solution of 100 ml sodium hydrogen sulfate so as to reach pH 3. The resulting mixture was then extracted with ethyl acetate. The organic layer obtained was dried over anhydrous MgSO 4 and filtered. The obtained filtrate was concentrated under reduced pressure to obtain a compound of the formula (9-2) 14.7 g.

NMR ¾ (CDCl3) d pp: 8.65 (1H, s), 7.64 (1H, d), 7.26 (1H, d), 4.35-4.23 (1H, m), 3.48-3.33 (1H, m), 3.10-2.82 (1H, m) , 2.67-2.51 (2H, m), 2.07-1.97 (1H, m), 1.09-1.02 (3H, m), 0.91-0.84 (9H, m), 0.11-0.05 (6H, m) Preparation of a compound of the formula 7-2 At 0 ° C under cooling with ice, a compound of the formula (9-2) 2 g was dissolved in dehydrated chloroform 40 ml and to the resulting solution was added l-chloro-2-methyl-1-propenyldimethylamine 0.75 ml and the resulting mixture was then raised to RT and stirred for about 3 hours. The resulting reaction solution was then concentrated under reduced pressure to obtain crude product of a compound of the formula (7-2). The compound of the formula (7-2) was used in the next reaction without further purification.

Preparation of a compound of formula 1-2 Under a nitrogen atmosphere, 3.8 ml diisopropylamine was diluted with 50 ml tetrahydrofuran and the resulting solution was cooled to -78 ° C and thereto was added n-butyllithium (1.63 M hexane solution) 16 ml dropwise. The reaction solution was then stirred at 0 ° C for about 10 minutes and cooled to -78 ° C again. A solution of a compound of the formula (8-1) was slowly added thereto. 2. 4 g in tetrahydrofuran 30 ml dropwise and the resulting mixture was stirred at the same temperature for about 1 hour. To the resulting solution was added slowly a solution of a compound of the formula (7-2) in tetrahydrofuran 15 ml dropwise. The resulting reaction solution was stirred at the same temperature for about 5 hours. The resulting reaction solution was poured into 1 N 260 ml hydrochloric acid and the organic layer was extracted with ethyl acetate and washed with saturated physiological solution and then dried over anhydrous MgSO 4. The obtained organic layer was concentrated under reduced pressure to obtain crude product of a compound of the formula (6-2) 9.27 g.

Successively, the crude product of the compound of the formula (6-2) 9.27 g was dissolved in 150 ml tetrahydrofuran. To the resulting mixture was added at room temperature tetrabutylammonium fluoride 16.2 ml dropwise and the resulting mixture was stirred at room temperature for 4 hours. To the reaction mixture, 30 ml of ethyl acetate and water were added and the organic layer was separated. The obtained organic layer was dried over anhydrous MgSO 4 and then concentrated under reduced pressure to obtain crude product of a compound of the formula (2-2) 2.5 g.

Under nitrogen atmosphere, the crude product of a compound of the formula (2-2) 2.5 g was heated in a oil that is set outside the temperature up to 150 ° C for about 30 minutes. The reaction mixture was then cooled to RT and the oil obtained was purified by column chromatography using (S1O2) eluting EtOAc: hexane (1: 2) to obtain a compound of the formula (1-2) 166.8 mg.

NMR ¾ (CDCI3) d ppm: 8.61 (1H, d), 7.66 (1H, dd), 7.28 (1H, dd), 6.88 (2H, s), 4.67-4.42 (1H, m), 3.66-3.61 (0.5H, m), 3.43 (0.5H, dd), 3.24 (0.5H, dd), 3.10 (0.5H, dd), 2.83 -2.73 (1H, m), 2. 49-2.24 (5H, m), 2.07 (6H, s), 1.20-1.13 (3H, m) The present compound as shown below was prepared according to a process of Preparation Example 1-2 using 2,6-diethyl-4-methylphenylacetic acid methyl ester in place of a compound of the formula (8-1). composed of formula 1-3 RMN CH (CDCl3) d ppm: 8.67-8.65 (1H, m), 7.68 (1H, dd), 7.33-7.28 (1H, m), 7.00 (1H, s), 6.97 (1H, s), 6.06 (1H, s), 4.72 -4.68 (1H, m), 3.72-3.48 (1H, m), 3.31-3.15 (1H, m), 2.94-2.85 (1H, m), 2. 61-2.17 (9H, m), 1.29-1.02 (9H, m) Preparation Example 1-3: Preparation of a compound of the formula (1-15) Preparation of a compound of the formula 30-15 Br To a suspension of NaH (40 g, 1666.69 mmol) in dry THF (1000 mL) was added 2-methylpropane-1,3-diol (31-15) (150 g, 1666. 69 mmol; 1 eq.) In dry THF (500 ml) at 0 ° C for a period of 10 min. The reaction mixture was heated to 50 ° C for 1 h. At the same temperature, benzyl bromide (98.89 g, 555.57 mmol) was added and the reaction mixture was heated to 65 ° C for 12 h. After completion, the reaction mixture was poured into saturated NH 4 Cl solution, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na 2 SO 4, filtered and the solvent was evaporated to dryness. reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (60-120 mesh), eluted with 20% EtOAc / petroleum ether to obtain 3- (benzyloxy) -2-methylpropan-1-ol (30-15 ) in the form of a brown liquid (117 g, 78%); 1 H-NMR (400 MHz, cdcls) d 7.38 -7.24 (m, 5H), 4.52 (s, 2H), 3.61 (dt, J = 6.7, 4.2 Hz, 2H), 3. 59 - 3.50 (m, 1H), 3.43 (dd, J = 9.1, 8.0 Hz, 1H), 2.56 (dd, J = 6.5, 4.2 Hz, 1H), 2.14 - 2.01 (m, 1H), 0.89 (d, J 7. 0 Hz, 3H); mass (M + H): 181, LCMS purity: 66.04%.

Preparation of a compound of the formula 29-15 To a solution of dimethylsulfoxide (62 ml, 833.1 mmol) in dichloromethane (100 ml) was added oxalyl chloride (38.5 i, 416.55 mmol) at -78 ° C and the reaction mixture was stirred for 20 min and 3- (benzyloxy) ) -2-methylpropan-1-ol (30-15) (50 g, 277.7 mmol) in dry dichloromethane (400 mL) was added to the reaction mixture and again stirred for 20 min at -78 ° C. It was followed by the addition of triethylamine (168 ml, 11110.8 mmol) at -78 ° C and stirred at room temperature for 18 h. After completion, RM was diluted with water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the solvent was evaporated under reduced pressure to obtain the compound raw. The crude compound was purified by silica gel column chromatography (60-120 mesh), eluted with 5% EtOAc / petroleum ether to obtain 3- (benzyloxy) -2-methylpropanal (29-15) as a brown liquid (37 g, 75%); NMR ¾ (400 MHz, cdcl3) d 9.73 (d, J = 1.6 Hz, 1H), 7.44 - 7.20 (m, 5H), 4.53 (s, 2H), 3.65 (td, J = 9.6, 6.0 Hz, 2H), 2.73-2.62 (m, 1H), 1.14 (d, J = 7.1 Hz, 3H); mass (M + H): 179, LCMS purity: 84.57%.

Preparation of a compound of the formula 28-15 To the solution of methyl 2-mesitylacetate (86 g, 447.91 mmol) in THF (860 mL) was added LDA (286 mL, 492.7 mmol) at -78 ° C and stirred at the same temperature for 30 min followed by addition of acetyl chloride (34.9 ml, 537.49 mmol) and RM was stirred at the same temperature for 4 h and stirred at room temperature for 3 h. After completion, the RM was neutralized with saturated ammonium chloride solution at 0 ° C, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the The solvent was evaporated under reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 1% EtOAc / petroleum ether to obtain methyl 2-mesityl-3-oxobutanoate (28-15) as a whitish solid (10 g, 20%); 1 H NMR (400 MHz, cdcls) d 12.97 (d, J = 1.0 Hz, 1H), 6.89 (s, 2H), 3.67 (s, 3H), 2.29 (s, 3H), 2.08 (s, 6H), 1.68 (s, 3H); mass (M + H): 235, LCMS purity: 91.62%.

Preparation of a compound of the formula 27-15 To a suspension of NaH (9.4 g, 237.18 mmol) in THF (100 mL) was added the solution of methyl 2-mesityl-3-oxobutanoate (28-15) (18.5 g, 79.05 mmol) in THF (190 mL) at 0 ° C and stirred for 30 min. The MRI was cooled to -40 ° C, followed by the addition of n-BuLi (197 ml, 316.23 mmol) and stirred for 30 min. at the same temperature the solution of 3- (benzyloxy) -2-methylpropanal (29-15) (42 g, 237. 18 mmol) in THF (40 ml) over a period of 20 min., And stirred at the same temperature for 30 min. After completion, the RM was neutralized with saturated ammonium chloride solution at 0 ° C, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO¾, filtered and the The solvent was evaporated under reduced pressure to obtain the crude product. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 20% EtOAc / petroleum ether to obtain 7- (benzyloxy) -5-hydroxy-2-mesit-6-yl. methyl-3-oxoheptanoate methyl (27- 15) in the form of a brown liquid (26 g, 80%); NMR CH (400 MHz, cdcl3) d 13.26 (d, J = 10.0 Hz, 1H), 7.40 - 7.23 (m, 5H), 6.86 (d, J = 3.6 Hz, 2H), 4.38 (s, 2H), 4.2-3.8 (m, 1H), 3.67 (s, 3H), 3.44 - 3.31 (m, 2H), 2.27 (d, J = 2.0 Hz, 3H), 2.12 - 2.04 (m, 9H), 1.8 (br s, 1H) 0.79 (dd) , J = 19. 2, 7.0 Hz, 3H); mass (M + H): 413, LCMS purity: 84 .22%.

Preparation of a compound of the formula 26-15 (27-15) (26-15) The methyl 7- (benzyloxy) -5-hydroxy-2-mesit-6-methyl-3-oxoheptanoate (27-15) (26 g, 62.4 mmol) was heated to 150 ° C for 3 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the solvent was evaporated under reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 10% EtOAc / petroleum ether to obtain 6- (1- (benzyloxy) propan-2-yl) -3- mesityldihydro-2H-pyran-2 .4 (3H) -dione (26-15) as a brown liquid (14 g, 58%); 1 H NMR (400 MHz, dmso) d 10.66 (s, 1 H), 7.39 - 7.26 (m, 5H), 6.84 - 6. 77 (m, 2H), 4.56-4.39 (m, 3H), 3.62-3.39 (m, 2H), 2. 81 (dt, J = 17.1, 12.8 Hz, 1H), 2.57 - 2.51 (m, 1H), 2. 21 (s, 3H), 2.19 - 2.04 (m, 1H), 2.00 (d, J = 9.0 Hz, 6H), 1.01 (t, J = 6.9 Hz, 3H); Mass (M + H): 380, purity of LCMS: 95.53%.

Preparation of a compound of the formula 24-15 To a solution of pivaloyl chloride (9.3 ml, 73.16 mmol) in pyridine (77 ml) was added 6- (1- (benzyloxy) propan-2-yl) -3-mesityldihydro-2H-pyran-2, 4 (3H ) -dione (26-15) (14 g, 36.40 mmol) at room temperature and stirred at the same temperature for 18 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with 1 N HCl, water, brine, dried over anhydrous Na 2 SO 4, filtered and the solvent was evaporated at room temperature. reduced pressure to obtain 2- (1- (benzyloxy) propan-2-yl) -5-mesityl-6-oco-3,6-dihydro-2H-pyran-4-yl pivalate (24-15) in the form of oily mass (14 g, 82%); NMR (400 MHz, cdcl3) d 7.38 - 7.26 (m, 5H), 6. 83 (d, J = 7.6 Hz, 2H), 4.87 - 4.70 (m, 1H), 4.61 - 4.47 (m, 2H), 3.65 - 3.54 (m, 2H), 3.02 (ddd, J = 24.8, 17.4, 12. 7 Hz, 1H), 2.48 (ddd, J = 17.5, 9.9, 3.6 Hz, 1H), 2.31 (p, J = 7.8, 7.1 Hz, 1H), 2.24 (s, 3H), 2.14 - 2.09 (m, 6H ), 1.12 (dd, J = 12.8, 7.0 Hz, 3H), 0.92 (s, 9H); dough (M + H): 465, LCMS purity: 98.58%.

Preparation of a compound of the formula 23-15 To a solution of pivalate of 2- (1- (benzyloxy) propan-2-yl) -5-mesy-il-6-oxo-3,6-dihydro-2H-pyran-4-yl (24-15) (8 g, 21.39 mmol) in EtOH (12 mL) was added 10% Pd on carbon (1.6 g) and hydrogenated at 20 psi for 18 h. After completion, the RM was filtered through a plug of celite and the filtrate was evaporated under reduced pressure to obtain 2- (1-hydroxypropan-2-yl) -5-mesityl-6-oxo-3,6 pivalate. -dihydro-2H-pyran-4-yl (23-15) as an off-white solid (5.1 g, 80%); NMR ¾ (400 MHz, cdcls) d 6.83 (d, J = 7.6 Hz, 2H), 4.87 - 4.47 (m, 2H), 3.65 - 3.54 (m, 2H), 3.02 (ddd, J = 24.8, 17.4, 12.7 Hz, 1H), 2.48 (ddd, J = 17.5, 9.9, 3.6 Hz, 1H), 2.31 (p, J = 7.8, 7.1 Hz, 1H ), 2.24 (s, 3H), 2.14 - 2.09 (m, 6H), 1.12 (dd, J = 12.8, 7. 0 Hz, 3H), 0.92 (s, 9H); mass (M + H): 375, LCMS purity: 97.80%.

Preparation of a compound of the formula 21-15 I To a solution of pivalate of 2- (1-hydroxypropan-2-yl) -5-mesityl-6-oxo-3,6-dihydro-2H-pyran-4-yl (23-15) (10 g, 27.7 mmol ) in THF (100 mL) at 0 ° C was added triethylamine (8 mL, 0.554 mmol) followed by the addition of mesyl chloride (2.7 mL, 34.9 mmol) and the RM was stirred at the same temperature for 2 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the solvent was evaporated under reduced pressure to obtain 5-mesityl-2- (1- (methylsulfonyloxy) propan-2-yl) -6-oxo-3,6-dihydro-2H-pyran-4-yl pivalate (21-15) as an off-white solid ( 11 g, 91%); NMR (400 MHz, cdcl3) d 6.85 (d, J = 7.9 Hz, 2H), 4. 89 - 4.57 (m, 1H), 4.47 - 4.25 (m, 2H), 3.06 (d, J = 1.7 Hz, 2H), 2.95 (dd, J = 17.6, 12.0 Hz, 1H), 2.56 (ddd, J = 57. 4, 17.4, 3.8 Hz, 2H), 2.42-2.28 (m, 1H), 2.25 (s, 3H), 2.10 (d, J = 2.6 Hz, 6H), 1.19 (dd, J = 7.0, 3.1 Hz, 3H), 0.93 (d, J = 1.5 Hz, 9H); mass (M + H): 453, purity of LCMS: 92.91%.

Preparation of a compound of the formula 1-15 To a solution of pivalate 5-mesityl-2- (1- (methylsulfonyloxy) propan-2-yl) -6-oxo-3,6-dihydro-2H-pyran-4-yl (21-15) (0.639 mmol ) and the compound of the formula (20-15) (1.27 mmol) in toluene (9 ml) was added DBU solution (1923 mmol) dropwise and stirred at room temperature for 2 h. After completion, the RM was poured into water, acidified with 1N HCl, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the solvent was added. evaporated under reduced pressure to obtain the crude compound (1-15). The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 20% EtOAc / petroleum ether to obtain compound (1-15).

Whitish solid (24%): 1 H NMR (400 MHz, cdcls) d 7.38 (dd, J = 10.5, 7.7 Hz, 2H), 7.34 - 7.27 (m, 3H), 6.95 (d, J = 5. 1 Hz, 2H), 5.50 (s, 1H), 4.80 - 4.46 (m, 1H), 3.32 (ddd, J = 24.7, 13.3, 5.9 Hz, 1H), 3.01 - 2.69 (m, 2H), 2.44 (ddd, J 46. 8, 17.1, 3.7 Hz, 1H), 2.29 (s, 3H), 2.12 (d, J = 4.6 Hz, 7H), 1.21 1.17 (dd, 3H); mass (M-H): 381, HPLC purity: 99. 04 The present compound shown below was prepared according to a process of Preparation Example 1-3 using 4-fluorophenylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-19 whitish solid (56%): 1 H NMR (400 MHz, cdcls) d 7.39 (ddd, J = 9.2, 7.9, 5.2 Hz, 2H), 7.05 - 6.92 (m, 4H), 5.56 (s, 1H), 4.75 - 4.42 (m, 1H), 3.34 - 3.18 (m, 1H), 2.94 - 2.67 (, 2H), 2.44 (ddd, J = 49.5, 17.2, 3.7 Hz, 1H), 2.29 (s, 3H), 2.11 (d, J = 6.2 Hz, 6H), 2.01 (dd, J = 6.9, 3.5 Hz, 1H), 1.19 (dd, J = 16.0, 6.9 Hz, 3H); mass (M + H): 401, HPLC purity: 97.91%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 4-chlorophenylthiophenol instead of a compound of the formula (20-15).

Compound of the formula 1-18 whitish solid (25%): 1 H NMR (300 MHz, cdcl3) d 7.37 - 7.26 (m, 4H), 6.95 (d, J = 2.9 Hz, 2H), 5.61 (s, 1H), 4.79 - 4.38 (m, 1H), 3.41 - 3.21 (m, 1H), 3.00 - 2.67 (m, 2H), 2. 54 (d, J = 3.8 Hz, 1H), 2.29 (s, 3H), 2.11 (d, J = 2.4 Hz, 7H), 1.25-1.14 (m, 3H); mass (M + H): 417, HPLC purity: 95. 66%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 4-bromophenylthiophenol instead of a compound of the formula (20-15).

Compound of the formula 1-68 whitish solid (40%): RM NMR (300 MHz, cdcls) < 57.41 (dt, J = 8.3, 1.7 Hz, 2H), 7.23 (dd, J = 8.6, 2.1 Hz, 2H), 6. 95 (d, J = 3.1 Hz, 2 H), 5.73 (s, 1 H), 4.79 - 4.65 (m, 1 H), 3.49 - 3.21 (m, 1 H), 3.00 - 2.65 (m, 2 H), 2.52 - 2.37 ( dd, J = 17.2, 3.5 Hz, 1H), 2.29 (d, J = 1.8 Hz, 3H), 2.12 (t J = 2.0 Hz, 6H), 2.08 - 1.99 (m, 1H), 1.28 - 1.14 (m, 3H); dough (M-H): 459, HPLC purity: 93.23%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using p-tolylthiophenol in place of a compound of the formula (20- fifteen) .

Compound of the formula 1-16 whitish solid (53%): 1 H NMR (400 MHz, cdcls) d .7.33 - 7.27 (m, 2H), 7.11 (d, J = 7.7 Hz, 2H), 6.95 (d, J = 4.6 Hz, 2H), 5.53 (s, 1H), 4.74 (d, J = 13.1 Hz, 1H), 4.55 - 4.46 (m, 1H), 3.32 - 3.19 (m, 1H), 2.97 - 2.68 (m, 1H) , 2.42 (ddd, J = 41.6, 17.2, 3.7 Hz, 1H), 2.30 (d, J = 12.2 Hz, 6H), 2.12 (d, J = 5.8 Hz, 7H), 1.19 (dd, J = 16.0, 6.8 Hz, 3H); dough (M + H): 397, HPLC purity: 97.74%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 4- (trifluoromethoxy) phenylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-39 . whitish solid (59%): 1H NMR (400 MHz, cdcl) d 7.44 7.35 (m, 2H), 7.15 (d, J = 8.2 Hz, 2H), 6.96 (d, J = 5.0 Hz 2H), 4.74-4.47 (ddd, J = 11.9, 7.3, 3.8 Hz, 1H), 3.43 - 3.24 (m, 1H), 2.94 (ddd, J = 13.2, 9.2, 7.7 Hz, 1H), 2.88 2 .69 (m, 2H), 2.46 (ddd, J = 56.1, 17.1, 3.7 Hz, 1H), 2.29 (s, 3H), 2.14 - 2.10 (m, 7H), 1.20 (dd, J = 19.1, 6. 9 Hz , 3H); mass (M-H): 465, HPLC purity: 99.36%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 3-fluorophenylthiophenol instead of a compound of the formula (20-15).

Compound of the formula 1-35 whitish solid (49%): RM NMR (300 MHz, cdcls) d 7.28 (s, 1H), 7.10 (dt, J = 22.4, 9.0 Hz, 2H), 6.91 (dd, J = 20.2, 6.3 Hz, 3H) , 5.76 (s, 1H), 4.61 (ddt, J = 76.1, 12.4, 3.5 Hz, 1H), 3.33 (dd, J = 26.2, 13.2, 5.5 Hz, 1H), 2.95 (ddd, J = 15. 6, 7.1, 3.3 Hz, 1H), 2'.88 - 2.67 (m, 1H), 2.44 (dd, J = 40. 6, 17.1, 3.7 Hz, 1H), 2.28 (s, 3H), 2.12 (d, J = 3.3 Hz, 7H), 1.20 (dd, J = 14.6, 6.7 Hz, 3H); mass (M + H): 401, HPLC purity: 98.05%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 3-chlorophenylthiophenol instead of a compound of the formula (20-15).

Compound of the formula 1-88 whitish solid (43%): CH NMR (300 MHz, cdcls) d 7.37 - 7.27 (m, 1H), 7.23 (d, J = 5.5 Hz, 2H), 7.20 - 7.10 (m, 1H), 6.95 (d, J = 3.4 Hz, 2H), 5.70 (s, 1H), 4.60 (ddt, J = 79. 0, 11.2, 3.7 Hz, 1H), 3.33 (ddd, J = 24.3, 13.2, 5.7 Hz, 1H), 3.02 - 2.89 (m, 1H), 2.89 - 2.68 (m, 1H), 2.45 (dd, J = 39. 9, 17.2, 3.7 Hz, 1H), 2.29 (s, 3H), 2.12 (> i, J = 3.2 Hz, 6H), 2.06 (s, 1H), 1.20 (dd, J = 14.5, 6.8 Hz, 3H ); mass (M + H): 416, HPLC purity: 95.14%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using m-tolylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-97 white solid (61%): RM NMR (300 MHz, cdcls) d 7.19 (td, J = 7.5, 6.2, 1.9 Hz, 3H), 6.97 (dd, J = 12.8, 4.6 Hz, 3H), 5. 49 (s, 1H), 4.80 - 4.45 (m, 1H), 3.29 (td, J = 13.9, 13.3, 5. 9 Hz, 1H), 2.99 - 2.87 (m, 1H), 2.87 - 2.69 (m, 1H), 2.44 (ddd, J = 34.6, 17.9, 4.5 Hz, 1H), 2.33 (s, 6H), 2.28 (s, 6H), 2.05 (dd, J = 7.1, 3.5 Hz, 1H), 1.20 (dd, J = 13.5 , 6.8 Hz, 3H); mass (M + H): 397, HPLC purity: 99.47%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using o-tolyl thiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-86 whitish solid (44%): CH NMR (400 MHz, cdcl3) d 7.34 (dd, J = 20.2, 7.7 Hz, 2H), 7.20 - 7.07 (m, 2H), 6.96 (d, J = 5. 1 Hz, 2H), 5.54 (s, 1H), 4.75-4.4 (m, 1H), 3.23 (d, J = 6.7 Hz, 1H), 2.98 - 2.70 (m, 2H), 2.51 (dd, J = 17.0 , 3.9 Hz, 1H), 2.44 - 2.38 (m, 3H), 2.29 (s, 3H), 2.13 (dd, J = 5.4, 2.7 Hz, 7H), 1.23 (dd, J = 16.5, 6.8 Hz, 3H); mass (M + H): 397, HPLC purity: 97.13%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 2-chlorophenylthiophenol instead of a compound of the formula (20-15).

Compound of the formula 1-84 whitish solid (51%): 1 H NMR (400 MHz, cdcl3) d 7.44 - 7.34 (m, 2H), 7.23 (dd, J = 7.8, 1.4 Hz, 1H), 7.16 - 7.09 (m, 1H), 6.95 (d, J = 5.2 Hz, 2H), 5.57 (s, 1H), 4.84 - 4.44 (m, 1H), 3.45 - 3.24 (m, 1H), 3.02 2.69 (m, 2H), 2.48 (ddd, J = 54.9, 17.1, 3.7 Hz, 1H), 2.29 (s, 3H), 2.13 (t, J = 2.5 Hz, 6H), 2.11 - 2.04 (m, 1H), 1.24 (dd, J = 15.8, 6.9 Hz, 3H); mass (M + H): 417, HPLC purity: 98.57%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 3,5-difluorophenylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-37 whitish solid (18%): RM NMR (400 MHz, cdcl3) d 6.96 (d, J = 5.2 Hz, 2H), 6.92 - 6.79 (m, 2H), 6.61 (ddd, J = 8.8, 7. 6, 2.2 Hz, 1H), 5.60 (s, 1H), 4.79 - 4.41 (, 1H), 3.45 3.23 (m, 1H), 3.03 2.71 (m, 2H), 2.47 (ddd, J = 59.1, 17.1, 3. 7 Hz, 1H), 2.29 (s, 3H), 2.27 (s, 1H), 2.13 (t, J = 2.6 Hz, 6H), 2.10 (S, 1H), 1.27-1.16 (m, 3H); mass (M + H): 419, HPLC purity: 98.08%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 3,4-difluorophenylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-36 solid brown (69%): RM NMR (300 MHz, cdcl3): d 7.25 - 7.03 (m, 3H), 6.95 (d, J = 3.1Hz, 2H), 5.75 (brs, 1H), 4.72 (dt, J = 13.2, 3.4 Hz, 1H), 4.52 - 4.31 (m, 1H), 3.44 - 3.17 (m, 1H), 2. 97-2.67 (m, 3H), 2.63-2.36 (m, 1H), 2.32-1.94 (m, 8H), 1.31-0.95 (m, 3H); mass (M + H): 419, HPLC purity: 98.82%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using 6- (trifluoromethyl) pyridin-3-ylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-79 white solid (50%). NMR * H (300 MHz, cdcl3) d 8.63 (d, J 5. 5 Hz, 1H), 7.83 (dd, J = 15.7, 8.2 Hz, 1H), 7.60 (d, J = 8.4 Hz, 1H), 6.96 (d, J = 4.1 Hz, 2H), 5.59 (s, 1H), 4.74-4.41 (m, 1H), 3.61 - 3.34 (m, 1H), 3.10 - 2.92 (m, 1H), 2.92 - 2.67 (, 2H), 2.65 - 2.31 (m, 1H), 2.29 (s, 3H), 2.17 - 2.06 (m , 6H), 1.30 - 1.16 (m, 3H); mass (M + H): 452, HPLC purity: 97.15%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using methylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-98 solid brown cdcl3) d 6.96 (d, J = 3.7 Hz, 2H), 4.78 - 4.47 (m, 1H), 2.93 - 2.69 (m, 2H), 2.61 - 2.38 (th, 2H), 2.29 (m, 4H), 2.17 (m, 10H), 1.17 (dd, J = 15. 2, 6.9 Hz, 3H); mass (M + H): 321, HPLC purity: 95.55%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using ethylthiophenol in place of a compound of the formula (20-15).

Compound of the formula 1-99 whitish solid (28%): 1 H NMR (300 MHz, cdcls) d 6.96 (d, J = 3.9 Hz, 2H), 5.59 (s, 1H), 4.72-4.53 (m, 1H), 2.94-2.69 (m, 2H), 2.57 (ddt, J = 10.8, 7.2, 3.1 Hz, 3H), 2.51 - 2.37 (m, 1H), 2.29 (s, 3H), 2.14 (d, J = 6.1 Hz, 7H), 1.28 (td) , J = 7.3, 1.2 Hz, 3H), 1.17 (dd, J = 16.8, 6. 8 Hz, 3H); mass (M + H): 335, HPLC purity: 95.08%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using propylthiol enol instead of a compound of the formula (20-15).

Compound of the formula 1-100 whitish solid (22%): 2 H NMR (300 MHz, cdcls) £ 6.96 (d, J = 3.8 Hz, 2 H), 5.52 (s, 1 H), 4.78 - 4.47 (m, 1 H), 2.93 - 2.69 (m, 2H), 2.64 - 2.39 (m, 5H), 2.29 (s, 3H), 2.14 (d, J = 6.1 Hz, 6H), 1.63 (q, J = 7.3 Hz, 2H), 1.17 (dd, J = 16.4 , 6.9 Hz, 3H), 1.00 (t, J = 7.3 Hz, 3H), - mass (MH): 347, HPLC purity: 95.38%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using pyrimidin-2-ylthiol in place of a compound of the formula (20-15).

Compound of the formula 1-42 whitish solid (33%): RM NMR (300 MHz, cdcl3) d 8.52 (dd, J = 4.8, 1.2 Hz, 2H), 7.02 - 6.92 (m, 3H), 5.53 (;!, 1H), 4.77 4.61 (d, J = 12.6 Hz, 1H), 3.65 - 3.39 (m, 1H ), 3.21 (dd, J = 218, 13.8, 7.4 Hz, 1H), 2.99 - 2.84 (m, 1H), 2.64 - 239 (m, 1H), 2.29 (s, 3H), 2.14 (d, J = 2.0 Hz, 6H), 1.24 (dd, J = 14.6, 6. 8 Hz, 3H); mass (M + H): 385, HPLC purity: 95.06%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using thiophen-2-ylthiol in place of a compound of the formula (20-15).

Compound of the formula 1-90 solid brown (55%): 1 H NMR (300 MHz, cdcls) d 7.34 (s, 1H), 7.15 (d, J = 4.3 Hz, 1H), 6.96 (s, 3H), 5.52 (s, 1H), 4.81-4.47 (m, 1H), 3.25 - 3.07 (m, 1H), 2.92 - 2.66 (m, 2H), 2.42 (t, J = 19.0 Hz, 1H), 2.28 (s, 3H), 2.13 (dd, J = 10. 4, 4.4 Hz, 7H), 1.20 (dd, J = 7.1, 3.0 Hz, 3H); mass (M + H): 389, purity of HPLC: 93.57%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using oxazol-2-ylthiol in place of a compound of the formula (20-15).

Compound of the formula 1-102 whitish solid (50%): RM NMR (300 MHz, cdcla) d 7.69 7.65 (m, 1H), 7.09 (s, 1H), 6.96 (s, 2H), 5.59 (s, 1H), 4.84 4. 48 (m, 1H), 3.65 - 3.40 (m, 1H) f 3.23 (dt, J = 13.5, 8.0 Hz, 1H), 2.88 (td, J = 16.4, 12.8 Hz, 2H), 2.61 - 2.32 (m, 3H), 2.29 (s, 6H), 2.18 - 2.10 (m, 1H), 1.22 (dd, J = 13.6, 7.0 Hz, 3H); mass (M + H): 374, HPLC purity: 98.10%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using thiazol-2-ylthiol in place of a compound of the formula (20-15).

Compound of the formula 1-91 whitish solid (23%): RM NMR (400 MHz, cdcla) d 7.65 (d, J = 3.4 Hz, 1H), 7.22 (dd, J = 3.4, 1.9 Hz, 1H), 6.95 (d, J = 3.7 Hz, 2H), 5.62 (d, J = 24.8 Hz, 1H), 4.83 - 4.50 (m, 1H), 3. 66-3.51 (m, 1H), 3.27 (ddd, J = 19.6, 13.5, 7.3 Hz, 1H), 2.87 (ddd, J = 20.1, 17.2, 13.0 Hz, 1H), 2.50 - 2.32 (m, 1H), 2.28 (s, 3H), 2.25 (d, J = 3.7 Hz, 1H), 2.18 - 2.11 (m, 6H), 1.23 (dd, J = 13.6, 6.9 Hz, 3H); mass (M + H): 390, HPLC purity: 99. 13% The present compound shown below was prepared according to a process of Preparation Example 1-3 using 1,3,4-thiadiazol-2-ylthiol in place of a compound of the formula (20-15).

Compound of the formula 1-103 (1-103 white solid (38%) RMN ^ -H (300 MHz, cdcls) d 9.00 (dd, J = 3.4, 1.5 Hz, 1H), 6.96 (s, 2H), 5.73 (d, J = 11 .1 Hz, 1H), 4.80 (d, J = 12.5 Hz, 1H), 3.75 (ddd, J = 63.5 , 13.4, 5.4 Hz, 1H), 3.41 (ddd, J = 28.3, 13.4, 7.5 Hz, 1H), 3.07 - 2.80 (m, 1H), 2.68 - 2.37 (m, 2H), 2.29 (s, 3H), 2.20 - 2.08 (m, 6H), 1.32 - 1.20 (m, 3H); mass (M + H): 391, HPLC purity: 95.43%.

The present compound shown below was prepared according to a process of Preparation Example 1-3 using cyclohexylthiol in place of a compound of the formula (20- fifteen).

Compound of the formula 1-105 white solid (22%): RM NMR (400 MHz, cdcl3) d 6.96 (d, J = 5.5 Hz, 2H), 5.54 (s, 1H), 4.76-4.48 (m, 1H), 2.92 -2.80 (m, 2H), 2.61 (tdd, J = 12.7, 7.7, 5.2 Hz, 2H), 2.47 (ddd, J = 32.0, 17.1, 3.7 Hz, 1H), 2.29 (s, 3H), 2.15 (d, J = 8.0 Hz, 7H), 1.99 (dd, J = 8.4, 5.2 Hz, 3H), 1.77 ( s, 2H), 1.62 (d, J = 10.3 Hz, 1H), 1.40-1.23 (m, 5H), 1.19 (d, J = 6.8 Hz, 2H); mass (M + H): 389, HPLC purity: 95.87%.

Preparation Example 1-4: Preparation of a compound of the formula (1-106) Preparation of a compound of 3- (4- (trifluoromethyl) phenoxy) propan-1-ol 4-. { trifi uorometii) fen To a solution of 4- (trifluoromethyl) phenol (3 g, 18.50 mmol) in ACN (50 mL) was added K2CO3 (7.6 g, 55.50 mmol), followed by the addition of 3-bromophenol (3 g, 22.20 mmol) and the reaction was stirred at room temperature for 16 h. After completion, the RM was poured into water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SC, filtered and the solvent was evaporated under reduced pressure to obtain the raw product. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 20% EtOAc / petroleum ether to obtain 3- (4- (trifluoromethyl) phenoxy) propan-1-ol in the form of oily dough (3.0 g, 75%); XH NMR (300 MHz, cdcl3) d 7.54 (d, J = 8. 4 Hz, 2H), 6.97 (d, J = 8.4 Hz, 2H), 4.17 (t, J = 6.0 HZ, 2H), 3.87 (p, J = 6.7, 6.2 Hz, 2H), 2.15 - 2.00 (m, 2H).

Preparation of a compound of 3- (4- (trifluoromethyl) phenoxy) propanal To a dimethyl sulfoxide solution (2.8 ml, 40.53 mmol) in dichloromethane (30 ml) was added oxalyl chloride (1.75 ml, 20.40 mmol) at -78 ° C and the reaction mixture was stirred for 30 min at the same temperature. of 3- (4- (trifluoromethyl) phenoxy) propan-l-ol (3 g, 13.51 mmol) in dry dichloromethane (30 mL) was added to the mixture of reaction and stirred for 30 min. followed by the addition of triethylamine (7.5 ml, 53.46 mmol) at -78 ° C and stirred at room temperature for 1 h. After completion, the RM was poured into water, extracted with DCM (2 times), the DCM layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and evaporated under reduced pressure to obtain the crude product. . The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 5% EtOAc / petroleum ether to obtain 3- (4- (trifluoromethyl) phenoxy) propanal as an oily mass ( 1.5 g, reasonably pure); NMR! H (400 MHz, cdcls) d 9.88 (t, J = 1.4 Hz, 1H), 7.63 - 7.44 (m, 2H), 6.93-6.87 (m, 2H), 4.35 (t, J = 6.1 Hz, 2H), 2. 95 (td, J = 6.1, 1.4 Hz, 2H).

Preparation of a methyl 5-hydroxy-2-mesityl-3-oxo-7- (4- (trifluoromethyl) phenoxy) heptanoate compound To a suspension of NaH (256 mg, 6.41 mmol) in THF (5 mL) was added the solution of methyl 2-mesityl-3-oxobutanoate (500 mg, 2.13 mmol) in THF (5 mL) at 0 ° C and stirred for 30 min and cooled to -40 ° followed by the addition of n-BuLi (5.3 ml, 8.54 mmol) and stirred for 30 min followed by the addition of 3- (4- (trifluoromethyl) phenoxy) propanal solution (1.5 g, 6.41 mmol) in THF (2 mL) at -40 ° C and stirred for 30 min. The reaction was not completed, therefore, the RM was neutralized with saturated ammonium chloride solution at 0 ° C, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4. , it was filtered and the solvent was evaporated under reduced pressure to obtain the crude product. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 10% EtOAc / petroleum ether to obtain 5-hydroxy-2-mesityl-3-oxo-7- (4- (trifluoromethyl) phenoxy) methyl heptanoate as an oily mass (260 mg, LCMS purity: 45%); H-NMR (400 MHz, cdcl3) d 13.35 (d, J = 1.1 Hz, 1H), 7.53 (td, J = 6.8, 2.8 Hz, 2H), 7.00-6.66 (m, 4H), 4.37 (dd, J = 7.2, 1.0 Hz, 2H), 3.69 (d, J = 1.1 Hz, 3H), 2.28 (d, J = 5.2 Hz, 3H), 2.24 - 2.14 (m, 2H), 2.20 - 2.14 (m, 2H), 2.08 (d, J = 9.7 Hz, 6H), 1.86-1.82 (m, 2H); dough (M + H): 451; LCMS purity: 45.56%; mass (M-H): 451, LCMS purity: 45.56%.

Preparation of a compound of the formula 1-106 The methyl 5-hydroxy-2-mesityl-3-oxo-7- (4- (trifluoromethyl) phenoxy) heptanoate (260 mg, 0.57 mmol) was heated to 150 ° C for 3 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and evaporated under reduced pressure to obtain the compound raw. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 7% EtOAc / petroleum ether to obtain 3-mesityl-6- (2- (4- (trifluoromethyl) phenoxy) ethyl) dihydro-2H-pyran-2.4 (3H) -dione (1-106) as a white solid (75 mg, 15.3%, general yield for stage 3 and 4); NMR CH (300 MHz, cdcl3) d 7.56 (d, J = 8.4 Hz, 2H), 7.04-6.92 (m, 4H), 6.4-5.0 (br s, 1H), 4.84 (d, J = 4.1 Hz, 1H ), 4. 29 (dd, J = 23.4, 5.0 Hz, 2H), 2.84 (dd, J = 17.2, 12. 0 Hz, 1H), 2.65 (dd, J = 17.3, 4.0 Hz, 1H), 2.29 (s, 5H), 2.14 (d, J = 3.7 Hz, 6H); mass (M + H): 421, HPLC pure: 95.06%.

Preparation Example 1-5: Preparation of a compound of the formula (1-107) Preparation of a compound of 4- (phenylthio) butan-1-ol To a suspension of sodium ethoxide (4 g, 59.18 mmol) in EtOH (50 mL) was added thiophenol (5 g, 45.45 mmol) at 0 ° C, followed by the dropwise addition of 4-chlorobutyl acetate (7 g). g, 45.45 mmol) over a period of 20 min. and stirred at the same temperature for 10 min and heated to reflux for 6 h. MRI cooled the reaction to room temperature, KOH pellets (2.6 g, 45.45 mmol) were added, heated to reflux for 4 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na 2 SO 4, filtered and the solvent was evaporated under reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (60-120 mesh), eluted with 8% EtOAc / petroleum ether to obtain 4- (phenylthio) butan-1-ol as an oily mass (6 g, 72%); NMR ¾ (400 MHz, cdcl3) d 7.33 (dd, J = 8.2, 1.6 Hz, 2H), 7.30 - 7.23 (m, 2H), 7.20 - 7.14 (m, 1H), 3.65 (td) , J = 5.0, 4.1, 3.0 Hz, 2H), 2.96 (t, J = 6.9Hz, 2H), 1.78 - 1.65 (m, 4H); mass (M + H): 183, LCMS purity: 99.83%.

Preparation of a 4- (phenylthio) butanal compound To a solution 4- (phenylthio) butan-1-ol (4 g, 21.9 mmol) in DMSO (20 mL) was added 2-iodoxybenzoic acid (9.32 g, 281 mmol) at room temperature and stirred at room temperature for 8 h. After completion, the R was diluted with EtOAc, filtered to remove the solids, the filtrate was extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the The solvent was evaporated under reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 5% EtOAc / petroleum ether to obtain 4- (phenylthio) butanal as a colorless liquid (2 g, 52%). %); NMR XH (400 MHz, cdcl3) d 9.77 (dt, J = 7.2, 1.2 Hz, 1H), 7.37-7.32 (m, 2H), 7.32 - 7.24 (m, 2H), 7.23 - 7.14 (m, 1H), 2.97 (dd, J = 7.7, 6.4 Hz, 2H), 2.69 - 2.57 (m, 2H), 1.96 (p, J = 7.1 Hz, 2H).

Preparation of a methyl 5-hydroxy-2-mesityl-3-oxo-8- (phenylthio) octanoate compound To a suspension of NaH (301 mg, 7.69 mmol) in THF (10 mL) was added the solution of methyl 2-mesityl-3-oxobutanoate (600 mg, 2.56 mmol) in THF (10 mL) at 0 ° C and it was stirred for 30 min and cooled to -40 ° C followed by the addition of n-BuLi (6.41 ml, 10.25 mmol) and stirred for 30 min followed by the addition of 4- (phenylthio) butanal solution (1.38 g, 7.69 mmol) in THF (3 mL) at -40 ° C and stirred for 30 min. The reaction was not completed, therefore, the RM was neutralized with saturated ammonium chloride solution at 0 ° C, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous NaHSO4. , filtered and evaporated under reduced pressure to obtain the crude product. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 25% EtOAc / petroleum ether to obtain 5-hydroxy-2-mesityl-3-oxo-8- (phenylthio) Methyl octanoate in the form of an oily mass (1.1 g; crude, LCMS purity: 43%).

Preparation of a compound of the formula 1-107 The methyl 5-hydroxy-2-mesityl-3-oxo-8- (phenylthio) octanoate (1.1 g, 2.65 mmol) was heated to 150 ° C for 3 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and evaporated under reduced pressure to obtain the compound raw. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 7% EtOAc / petroleum ether to obtain 3-mesityl-6- (3- (phenylthio) propyl) dihydro-2H-pyran-2.4 (3H) -dione (1-107) as an off-white solid (150 mg, 1.3%) general performance in stage 3 and 4); 1 H NMR (400 MHz, dmso) d 10., 62 (s, 1 H), 7.40 - 7.12 (m, 5 H), 6.80 (d, J = 2.8 Hz, 2 H), 4.50 (dt, J = 7.4, 3.7 Hz, 1H), 3.09 - 2.95 (m, 2H), 2.70 - 2.53 (m, 2H), 2.21 (s, 3H), 2.00 (d, J = 8.7 Hz, 6H), 1.90 - 1.65 (m, 4H); mass (M-H): 381, LCMS purity: 97.79%.

Preparation Example 1-6: Preparation of a compound of the formula (1-108) Preparation of a 2- (phenylthio) acetaldehyde compound To a solution 2- (phenylthio) ethanol (5 g, 32.46 mmol) in DMSO (25 mL) was added 2-iodoxybenzoic acid (13.68 g, 48.70 mmol) at room temperature and was stirred at room temperature for 8 h. After completion, the RM was diluted with EtOAc, filtered to remove solids, the filtrate was extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and evaporated under reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 5% EtOAc / petroleum ether to obtain 2- (phenylthio) acetaldehyde as an oily mass (1.8 yield: 42 %); RMN ¾ (400 MHz, Cdcl3) d 9.56 (t, J = 3.2 Hz, 1H), 7.40 - 7.23 (m, 5H) 3. 60 (d, J = 3.2 Hz, 2H).

Preparation of a compound of methyl 5-hydroxy-2-mesityl-3-oxo-6- (phenylthio) hexanoate To a suspension of NaH (358 mg, 8.97 mmol) in THF (15 mL) was added the solution of methyl 2-mesityl-3-oxobutanoate (700 mg, 2.99 mmol) in THF (25 mL) at 0 ° C and it was stirred for 30 min and cooled to -40 ° C followed by the addition of n-BuLi (7.4 ml, 11.96 mmol) and stirred for 30 min. followed by the addition of 2- (phenylthio) acetaldehyde solution (1.36 mg, 8.97 mmol) at -40 ° C and stirred for 30 min. The reaction was not completed, therefore, the RM was neutralized with saturated ammonium chloride solution at 0 ° C, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na 2 SO 4 , it was filtered and the solvent was evaporated under reduced pressure to obtain the crude product. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 6% EtOAc / petroleum ether to obtain 5-hydroxy-2-mesityl-3-oxo-6- (phenylthio) methyl hexanoate in oily mass form (262 mg, 44%); 1 H NMR (300 MHz, cdcl) d 13.24 (s, 1 H), 7.29 - 7.24 (m, 5 H), 6.88 (d, J = 6.5 Hz, 2 H), 4.03 (s, 1 H), 3.68 (d, J = 1.2 Hz, 3H), 2.96 (d, J = 4.9 Hz, 1H), 2.84 (dd, J = 13.7, 7.7 Hz, 1H), 2.76 (d, J = 3.5 Hz, 1H), 2.30 (s, 3H) , 2.26 - 2.20 (m, 2H), 2.06 (s, 3H), 2.04 (d, J = 14.3 Hz, 3H); mass (M + H): 387, purity of LCMS: 75. 83%.

Preparation of a compound of the formula 1-108 The methyl 5-hydroxy-2-mesityl-3-oxo-6- (phenylthio) hexanoate (260 mg, 0.67 mmol) was heated to 150 ° C for 3 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the solvent was evaporated under reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 6% EtOAc / petroleum ether to obtain 6-hydroxy-5-mesityl-2- (phenylthiomethyl) -2H-pyran -4 (3H) -one (1-108) as white solid (80 mg, 33%); NMR XH (400 MHz, dmso) d 10.79 (s, 1H), 7.49 - 7.15 (m, 5H), 6.80 (d, J = 5.2 Hz, 2H), 4.62 (dd, J = 10.7, 5.1 Hz, 1H) , 3.41 (t, J = 5.3 Hz, 2H), 2. 89-69 (m, 2H), 2.21 (s, 3H), 1.99 (d, J = 3.0 Hz, 6H); mass (M + H): 354.9; HPLC purity: 95.00%.

Preparation Example 1-7: Preparation of a compound of the formula (1-109) Preparation a compound of 4- (4- (trifluoromethyl) phenylthio) butan-2-one To a solution of 4- (trifluoromethyl) benzenethiol (3 g, 16.83 mmol) in ACN (50 mL) was added K2CO3 (6.97 g, 50.51 mmol), followed by the addition of methyl vinyl ketone (1.68 mL, 20.20 mmol) and the reaction it was stirred at room temperature for 16 h. After completion, the RM was poured into water, extracted with EtOAc (2 times), the EtOAc was washed with water, brine, dried over anhydrous Na 2 SO 4, filtered and the solvent was evaporated under reduced pressure to obtain the crude product. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 5% EtOAc / petroleum ether to obtain 4- (4- (t -fluoromethyl) phenylthio) butan-2-one in form of a whitish solid (3 g, 74%); NMR ¾ (300 MHz, cdcl3) d 7.53 (d, J = 8.1 Hz, 2H), 7.36 (d, J = 8. 1 Hz, 2H), 3.20 (t, J = 7.2 Hz, 2H), 2.81 (t, J = 7.2 Hz, 2H), 2.18 (s, 3H); mass (M + H): 249; LCMS purity: 98. 75% Preparation of a methyl 5-hydroxy-2-mesityl-5-methyl-3-oxo-7- (4- (trifluoromethyl) phenylthio) heptanoate compound 1 To a suspension of NaH (306 mg, 7.69 mmol) in THF (15 mL) was added the solution of methyl 2-mesityl-3-oxobutanoate (600 mg, 2.46 mmol) in THF (15 mL) at 0 ° C and it was stirred for 30 min and cooled to -40 ° C followed by the addition of n-BuLi (6 mL, 10.15 mmol) and stirred for 30 min. followed by the addition of solution of 4- (4- (trifluoromethyl) phenylthio) butan-2-one (1.8 g, 7.69 mmol) in THF (2 mL) at -40 ° C and stirred for 30 min. After completion, the RM was neutralized with saturated ammonium chloride solution at 0 ° C, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the The solvent was evaporated under reduced pressure to obtain the crude product. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 25% EtOAc / petroleum ether to obtain 5-hydroxy-2-mesityl-5-methyl-3-oxo-7. - (methyl 4- (trifluoromethyl) phenylthio) heptanoate (800 mg, purity of LCMS: 30%).

Preparation of a compound of the formula 1-109 The methyl 5-hydroxy-2-mesityl-5-methyl-3-oxo-7- (4- (trifluoromethyl) phenylthio) heptanoate (900 mg, crude) was heated to 150 ° C for 3 h. After completion, the RM was poured into ice water, extracted with EtOAc (2 times), the EtOAc layer was washed with water, brine, dried over anhydrous Na2SO4, filtered and the solvent was evaporated under reduced pressure to obtain the crude compound. The crude compound was purified by silica gel column chromatography (100-200 mesh), eluted with 7% EtOAc / petroleum ether to obtain 3-mesityl-6-met il-6- (2- (4- (trifluoromethyl) phenylthio) ethyl) dihydro-2H-pyran-2,4 (3H) -dione (1-109) as white solid (110 mg, 10%, general yield in stage 2 and 3); NMR (300 MHz, dmso) d 10.64 (s, 1H), 7.64 (d, J = 8.1 Hz, 2H), 7.52 (d, J = 8.0 Hz, 2H), 6.79 (d, J = 7.5 Hz, 2H), 3.19 (t, J = 7.9 Hz, 2H), 2. 89 (d, J = 17.3 Hz, 1H), 2.66 (d, J = 17.5 Hz, 1H), 2.21 (s, 3H), 2.10 (s, 2H), 2.01 (s, 3H), 1.89 (s, 3H), 1.53 (s, 3H); mass (M + H): 451, HPLC purity: 97.27%.

Preparation Example 4: Preparation of a compound of formula (1-4) Preparation of a compound of the formula 16-1 At RT under a nitrogen atmosphere, a compound of the formula (21-1) 6.2 ml was diluted with tetrahydrofuran dehydrated 50 ml and to the resulting solution was added triethylenediamine 600 mg. The resulting mixed solution was then cooled to 0 ° C and thereto was added 32 ml n-butyllithium (1.6M hexaanolic solution, 53 mmol, 1.0 eq.) And the resulting mixture was stirred for about 2 hours while the reaction rose to TA. The resulting mixed solution was then cooled to -78 ° C and thereto was then added a compound of the formula (22-1) 8.3 ml and the resulting reaction solution was stirred for about 2 hours while the reaction temperature was raised to TA slowly. To the resulting reaction solution, saturated aqueous solution of 25 ml ammonium chloride was added and an aqueous layer was extracted with chloroform. The chloroform layer obtained was washed with saturated physiological solution and dried over anhydrous Na 2 SO 4 and filtered and the filtrate obtained was concentrated under pressure reduced and purified by column chromatography using (S1O2) eluting EtOAc: hexane (1: 4) to obtain a compound of the formula (18-1) 3.27 g.

Successively, at room temperature under a nitrogen atmosphere, a compound of the formula (17-1) 2.4 ml was diluted with dehydrated tetrahydrofuran 35 ml and the resulting solution was cooled to -78 ° C and then n-butyllithium was added thereto. 16.3 ml (1.6 M hexane solution) and the resulting mixture was stirred at the same temperature for about 10 minutes. To the resulting reaction solution, complex of boron trifluoride-diethyl ether 3.6 ml was then added at the same temperature and the resulting mixture was stirred at the same temperature for about 10 minutes. To the resulting solution was then added at the same temperature a solution of a compound of the formula (18-1) 3.27 g in tetrahydrofuran dehydrated 10 ml dropwise and the resulting mixture was stirred for about 30 minutes. To the resulting reaction solution, saturated aqueous 30 ml ammonium chloride solution was added and the aqueous layer was extracted with ethyl acetate. The resulting ethyl acetate layer was dried over anhydrous Na2SO4 and filtered and the resulting filtrate was purified by column chromatography using (S1O2) eluting EtOAc: hexane (1: 3) to obtain a compound of the formula (16-1) 2.67 g (56% yield).

RMN CH (CDC13) d ppm: 7.35-7.32 (2H, m), 7.30-7.25 (2H, m), 7.20-7.15 (1H, m), 4.04 (1H, dd), 3.75 (3H, s), 3.13-2.98 (2H, m), 2. 86-2.78 (1H, m), 2.52 (2H, dd), 1.89-1.84 (2H, m) Preparation of a compound of the formula 15-1 At RT, the compound of the formula (16-1) 2.67 g was dissolved in 60 ml methanol. The resulting solution was cooled to 0 ° C and thereto was added 28% solution of 0.65 g sodium methoxide and the resulting mixture was stirred at the same temperature for about 1 hour and then raised to RT and stirred for about 12 hours. To the resulting reaction solution, saturated aqueous ammonium chloride solution was added and the resulting mixture was extracted with ethyl acetate and the ethyl acetate layer was dried over Na2SC > 4 anhydrous and concentrated under reduced pressure and purified by column chromatography using (SiO2) eluting EtOAc: hexane (1: 2) to obtain a compound of the formula (15-1) 2 g (75% yield).

IH NMR (CDC13) d ppm: 7.35-7.27 (4H, m), 7.21-7.17 (1H, m), 5.13 (1H, s), 4.60-4.53 (1H, m), 3.73 (3H, s), 3.20-3.14 (1H, m), 3.09-3.02 (1H, m), 2.53-2.45 (1H, m), 2.34-2.28 (1H, m), 2.16-2.07 (1H, m), 1.94-1.85 (1H, m) Preparation of a compound of the formula 4-1 At RT under a nitrogen atmosphere, lead tetraacetate 26.5 g, mercury acetate 0.83 g and a compound of the formula (19-1) 10 g were dissolved in 110 ml chloroform. The resulting solution was stirred at RT under nitrogen atmosphere for 15 minutes. The resulting solution was then stirred at 40 ° C under nitrogen atmosphere for 4 hours. The reaction solution was cooled to RT and then filtered through Celite (trademark) and the filtrate was concentrated under reduced pressure to obtain yellow oil. To the obtained oil hexane was added and the resulting mixture was concentrated under reduced pressure to obtain yellow solid. At RT under nitrogen atmosphere, the solid obtained was dissolved in chloroform 260 ml. To the resulting solution was added potassium carbonate 86.2 g and the resulting mixture was stirred for 10 minutes. The reaction solution was then filtered through Celite (trademark) and the filtrate was concentrated under reduced pressure to obtain a compound of the formula (4-1) 21 g.

In addition, a compound of the formula (19-1) can be prepare according to a method described in WO 2010/113986 or a similar method.

NMR ¾ (CDCl3) d ppm: 7.05 (2H, s), 2.90 (4H, m), 2.35 (3H, s), 2.06 (9H, s), 1.33-1.27 (6H, m) Preparation of a compound of the formula 1-4 At RT, the compound of the formula (15-1) 1.17 g was dissolved in diethyl ether 15 ml. To the resulting solution, 0.6 ml concentrated hydrochloric acid was added at room temperature and the resulting mixture was stirred at the same temperature for about 12 hours. The resulting reaction solution was then concentrated under reduced pressure and purified by column chromatography using (SiO2) eluting EtOAc: hexane (3: 1) to obtain crude product of a compound of the formula (3-1) 700 mg.

Successively, at room temperature under a nitrogen atmosphere, the compound of the formula (3-1) 430 mg and dimethylamino pyridine 1.05 g were dissolved in a solution mixed chloroform 4.8 ml and toluene 1.2 ml. The resulting solution was stirred at RT under nitrogen atmosphere for 15 minutes. To the resulting solution was then added under a nitrogen atmosphere the compound of the formula (4-1) 1.0 g. Under nitrogen atmosphere, the resulting mixture was stirred at 80 ° C for 1 hour. The resulting reaction solution was cooled to RT and adjusted with 2N hydrochloric acid to achieve pH 1 and filtered through Celite (trademark) and the filtrate was extracted with chloroform. The obtained chloroform layer was washed with water and dried over anhydrous Na 2 SO 4 and filtered. The obtained filtrate was concentrated under reduced pressure to obtain yellow oil. The oil obtained was purified by column chromatography using (SiO2) eluting EtOAc: hexane (1: 4) to obtain a compound of the formula (1-4) 71 mg.

EMN ¾ (CDCI3) d pp: 7.39-7.19 (5H, m), 7.00 (1H, s), 6.98 (1H, s), 5.65 (1H, s), 4.75-4.68 (1H, m), 3.26-3.10 (2H, m), 2.75-1.96 (11H, m), 1.14-1.07 (6H, m) Preparation Example 1-4: Preparation of a compound of the formula (1-5) Preparation of a compound of the formula 4-2 (19-2) (4-2) At RT under nitrogen atmosphere, lead tetraacetate 6.2 g, mercury acetate 194 mg and a compound of the formula (19-2) 2 g were dissolved in 25 ml chloroform. The resulting solution was stirred at RT under nitrogen atmosphere for 15 minutes. The reaction solution was then stirred at 40 ° C under nitrogen atmosphere for 4 hours. The reaction solution was cooled to RT and filtered through Celite (trademark) and the filtrate was then concentrated under reduced pressure to obtain yellow oil. To the obtained oil hexane was added and the resulting mixture was concentrated under reduced pressure to obtain yellow solid. At RT under nitrogen atmosphere, the solid obtained was dissolved in 50 ml chloroform. To the resulting solution was added 20 g potassium carbonate and the resulting mixture was stirred for 10 minutes. The reaction solution was then filtered through Celite (registered trademark). The resulting filtrate was concentrated under reduced pressure to obtain a compound of the formula (4-2) 4 g · NMR ¾ (CDCl3) d ppm: 6.99 (2H, s), 2.57 (6H, s), 2.30 (3H, s), 2.06 (9H, s) Preparation of a compound of the formula 1-5 At RT under nitrogen atmosphere, a compound of the formula (3-1) 250 mg and dimethylaminopyridine 610 mg were dissolved in a mixed solution of chloroform 2.5 ml and toluene 0.5 ml. The resulting solution was stirred at RT under nitrogen atmosphere for 15 minutes. Under a nitrogen atmosphere, a compound of the formula (4-2) 560 mg was added to the resulting solution. Under nitrogen atmosphere, the resulting mixture was stirred at 80 ° C for 1 hour. The resulting reaction solution was cooled to RT and adjusted with 2N hydrochloric acid to achieve pH 1 and filtered through Celite (trademark) and the filtrate was extracted with chloroform. The resulting chloroform layer was washed with water and dried over anhydrous Na 2 SO 4 and filtered. The resulting filtrate was concentrated under reduced pressure to obtain yellow oil. The obtained oil was purified by column chromatography using (SiO2) eluting EtOAc: hexane (1: 4) to obtain a compound of the formula (1-5) 155 mg.

NMR ¾ (CDCI3) d ppm: 7.39-7.18 (5H, m), 6.94 (2H, s), 5.73 (1H, s), 4.75-4.67 (1H, m), 3.25-3.09 (2H, m), 2.73-2.66 (1H, m), 2.55-2.49 (1H, m), 2.28-2.06 (10H, m), 2.04-1.94 (1H, m) Preparation Example 1-5: Preparation of a compound of the formula (1-6) Preparation of a compound of the formula 4-3 At RT under nitrogen atmosphere, 8.4 g of lead tetraacetate, 263 mg of mercury acetate and 4.2 g of a compound of the formula (19-3) were dissolved in 35 ml chloroform. The resulting solution was stirred at RT under nitrogen atmosphere for 15 minutes. The reaction solution was then stirred at 40 ° C under nitrogen atmosphere for 4 hours. The reaction solution was cooled to RT and filtered through Celite (trademark) and the resulting filtrate was concentrated under reduced pressure to obtain yellow oil. To the resulting oil hexane was added and the resulting mixture was concentrated under reduced pressure to obtain yellow solid. At RT under nitrogen atmosphere, the solid obtained was dissolved in 80 ml chloroform. To the resulting solution was added potassium carbonate 27.4 g and the resulting mixture was stirred for 10 minutes. The reaction solution was then filtered through Celite (trademark) and the filtrate was concentrated under reduced pressure to obtain a compound of the formula (4-3) 6.4 9 · In addition, the compound of the formula (19-3) can be prepared according to a method described in WO 2010/113986 or a similar method.

XH NMR (CDCI3) d ppm: 7.60-7.31 (7H, m), 3.06-2.93 (4H, m), 2.07 (9H, s), 1.39-1.32 (6H, m) Preparation of a compound of the formula 1-6 At RT under a nitrogen atmosphere, a compound of the formula (3-1) 250 mg and dimethylaminopyridine 610 mg were dissolved in a mixed solution of chloroform 2.5 ml and toluene 0.5 ml. The resulting solution was stirred at RT under nitrogen atmosphere for 15 minutes. To the resulting solution was then added under a nitrogen atmosphere the compound of the formula (4-3) 653 mg. Under nitrogen atmosphere, the resulting mixture was stirred at 80 ° C for 1 hour. The resulting reaction solution was cooled to RT and adjusted with 2N hydrochloric acid to achieve pH 1 and filtered through Celite (trademark) and the filtrate was extracted with chloroform. The obtained chloroform layer was washed with water and dried over Na2SO4 and filtered. The obtained filtrate was concentrated under reduced pressure to obtain yellow oil. The oil obtained was purified by column chromatography (SIO2) eluting with EtOAc: hexane (1: 4) to obtain a compound of the formula (1-6) 149 mg.

NMR ¾ (CDCl3) d ppm: 7.59 (2H, dd), 7.47-7.19 (10H, m), 5.84 (1H, d), 4.78-4.71 (1H, m), 3.27-3.11 (2H, m), 2.78-2.71 (1H, m), 2.60-2.45 (5H, m), 2.29-2.20 (1H, m), 2.06-1.97 (1H, m), 1.20-1.13 (6H, m) The present compound as shown below was prepared according to a process of Preparation Example 1-3 using paratrif luoromethylthioanisole instead of thioanisole. composed of the formula 1-7 NMR ¾ (CDC13) d ppm: 7.54 (2H, d), 7.42 (2H, d), 7.01 (1H, s), 6.99 (1H, s), 5.61 (1H, s), 4.75-4.68 (1H, m), 3.36-3.29 (1H, m), 3. 25-3.17 (1H, m), 2.79-2.71 (1H, m), 2.61-2.53 (1H, m), 2. 49-2.23 (8H, m), 2.08-1.99 (1H, m), 1.11 (6H, dt) Preparation Example 1-6: Preparation of a compound of the formula (1-8) Preparation of a compound of the formula 1-8 To the compound of the formula (1-3) 150 g were added 0.07 ml triethylamine and anhydrous tetrahydrofuran 1 ml dropwise. To the resulting mixed solution was added under cooling with ice a solution of ethyl chloroformate 0.06 ml in anhydrous tetrahydrofuran 1 ml dropwise. The resulting mixture was stirred at room temperature for 2 hours. To the resulting mixture, 5 ml water was added and the resulting mixture was extracted with chloroform. The chloroform layer obtained was dried over anhydrous Na 2 SO 4 and concentrated under reduced pressure and purified by column chromatography (SiC) eluting with EtOAc: hexane (1: 6) to obtain a compound of the formula (1-8) 200 mg.

NMR ¾ (CDCl3) d ppm: 8.68-8.66 (1H, m), 7.67 (1H, dd), 7.31 (1H, dd), 6.95 (1H, s), 6.91 (1H, s), 4.83-4.62 (1H, m), 4.19 -4.00 (2H, m), 3.71 (0.5H, dd), 3.50 (0.5H, dd), 3.34-3.16 (2H, m), 2.68 (1H, ddd), 2. 48-2.32 (8H, m), 1.27-1.20 (6H, m), 1.16-1.05 (6H, m) The present compound shown below was prepared according to Preparation Example 1-6 using pivaloyl chloroformate in place of ethyl chloroformate, composed of the formula 1-9 R N ¾ (CDCl3) d ppm: 8.66 (1H, dd), 7.68 (1H, dd), 7.31 (1H, dd), 6.91 (1H, s), 6.87 (1H, s), 4.89-4.64 (1H, m), 3.71 (0.5 H, dd), 3. 49 (0.5H, dd), 3.36-3.07 (2H,), 2.67-2.19 (9H, m), 1.28-1.06 (9H, m), 0.91 (9H, d) Preparation Example 1-7: Preparation of a compound of the formula (1-10) Preparation of a compound of the formula 1-10 .

To a compound of the formula (1-2) 250 mg was added chloroform 5 ml at room temperature. The resulting mixed solution was cooled to 0 ° C with stirring and thereto was added a solution of meta-chloroperoxybenzoic acid 124 mg dissolved in chloroform 5 ml dropwise and the resulting mixture was stirred for about 30 minutes and then raised to RT and it was stirred at room temperature for 3 hours. The reaction solution was diluted with chloroform and washed with 10% aqueous solution of sodium sulfite. The resulting chloroform layer was washed with saturated physiological solution and dried over anhydrous Na2SO4 and filtered. The obtained filtrate was concentrated under reduced pressure to obtain an oil. Oil obtained was purified by column chromatography (S1O2) eluting with EtOAc: hexane (3: 1) to obtain a compound of the formula (1-10) 105 mg.

RMN CH (CDCI3) d ppm: 8.89 (2H, d), 8.22-8.18 (2H, m), 6.93 (2H, s), 4. 61-4.55 (1H, m), 3.62-3.51 (0.5H, m), 3.29 (0.5H, dd), 3.11-2.42 (4H, m), 2.27 (3H, s), 2.16-2.09 (6H, m ), 1.46-1.21 (3H, m) The present compound shown below was prepared according to Preparation Example 1-7 using a compound of the formula (1-3) instead of a compound of the formula (1-2). composed of the formula 1-11 NMR ¾ (CDCI3) d ppm: 8.90-8.87 (1H, m), 8.22-8.13 (2H, m), 6.99-6.96 (2H, m), 4.59-4.43 (1H, m), 3.62-3.52 (0.5H, m), 3.35-3.25 (0.5H, m), 3.10-2.24 (11H, m), 1.28-1.21 (3H, m), 1.16-1.06 (6H, m) The present compound shown below was prepared according to Preparation Example 1-7 using a compound of the formula (1-7) instead of a compound of the formula (1-2). composed of the formula 1-12 RM! H (CDCl3) d ppm: 7.83-7.73 (4H, m), 6.99-6.96 (2H, m), 6.33 (1H, s), 4.75-4.50 (1H, m), 3.35-1.89 (13H, m), 1.15-1.03 ( 6H m) Preparation Example 1-8: Preparation of a compound of the formula (1-13) Preparation of a compound of the formula 1-13 At RT, to a compound of the formula (1-3) 150 mg was added 1 ml chloroform and the resulting mixture was cooled to 0 ° C with stirring and a solution of meta-chloroperoxybenzoic acid 260 mg dissolved in chloroform 2 was added thereto. drop by drop and the resulting mixture was stirred for about 30 minutes. The resulting reaction solution was then raised to RT and stirred at room temperature for 3 hours. The reaction solution was diluted with chloroform and washed with 10% aqueous solution of sodium sulfite. The resulting chloroform layer was washed with saturated physiological solution and dried over anhydrous Na2SO4 and filtered. The obtained filtrate was concentrated under reduced pressure to obtain an oil. The obtained oil was purified by column chromatography (Si02) eluting with EtOAc: hexane (1: 2) to obtain a compound of the formula (1-13) 77.2 mg.

NMR E (CDCl3) d ppm: 9.02 (1H, s), 8.26 (2H, s), 7.01 (1H, s), 6.98 (1H, s), 4.85-4.81 (0.5H, m), 4.50-4.44 (0.5H, m), 3.95-3.83 (1H, m), 3.53-3.40 (1H, m), 2.91-2.33 (10H, m), 1.39-1.31 (3H, m), 1.15-1.09 (6H, m) The present compound shown below was prepared according to Preparation Example 1-8 using a compound of the formula (1-7) instead of a compound of the formula (1-3). composed of the formula 1-14 NMR ¾ (CDCI3) d ppm: 8.09 (2H, d), 7.98 (2H, d), 7.00 (1H, s), 6.98 (1H, s), 4.73-4.66 (1H, m), 3.58-3.33 (2H, m), 2.80-2.59 (2H, m), 2.49-2.17 (9H, m), 1.13-1.08 (6H, m) Next, the formulation examples are shown below. Here, the present compound is expressed as the number of a structural formula Formulation 1 Wettable powder Compound (1-1) 50% by weight Sodium ligninsulfonate 5% by weight Polyoxyethylene alkyl ether 5% by weight White carbon 5% by weight Clay 35% by weight The ingredients shown above are mixed and ground to obtain a wettable powder.

The compound (1-1) is replaced with any of the compounds (1-2) to (1-14) to obtain the respective formulations.

Formulation 2 Granules Compound (1-1) 1.5% by weight Sodium ligninsulfonate 2% by weight Talc 40% by weight Bentonite 56.5% by weight The ingredients shown above are mixed and water is added thereto and the resulting mixture is completely kneaded and then subjected to granulation and drying to obtain a granule.

The compound (1-1) is replaced with any of the compounds (1-2) to (1-14) to obtain the respective ones formulations Formulation 3 Concentrates in suspension Compound (1-1) 10% by weight Mixture of ammonium salt of polyoxyethylenealkylether sulfate and white carbon (weight ratio 1: 1) 35% by weight Water 55% by weight The ingredients shown above are mixed and the resulting mixture is then subjected to fine grinding according to the wet milling method, to obtain a suspension concentrate.

Next, the test examples are shown below.

Here, an efficacy to control weeds in the present compound was observed visually and evaluated in 11 criteria from 0 to 10 (or represents no action, 10 represents complete death and intermediate efficacy were evaluated in 1 to 9 criteria).

Test 1-1 Post-emergency treatment test Commercial land for propagation was placed in a pot measuring 8 cm in diameter and 6.5 cm in height and in the pot, Echinochloa crus-galli seeds were sown and then covered with approximately 0.5 cm thick soil and the plants were grown in a greenhouse. When the plants grew to the 1-2 leaf stages, a predetermined amount of a diluted chemical solution containing a compound (1-1) was sprayed evenly over the whole plants. Here, the diluted chemical solution was prepared by dissolving a predetermined amount of the compound (1-1) in dimethylformamide solution containing 2% Tween 20 (polyoxyethylene sorbitan fatty acid ester) (manufactured by MP Biomedicals Inc.) and then diluting the solution with deionized water. After spraying, the plants were grown in a greenhouse and after 20 days of treatment, the efficacy of Echinochloa crus-galli was observed and the control effect was evaluated.

Similarly, the present compounds (1-2) to (1-11) and (1-13) were also tested.

As a result, the compounds (1-1) to (1-11) and (1-13) all showed an efficacy of 9 or more in a chemical treatment amount of 1000 g / 10,000 m2.

Test 1-2 Post-emergency treatment trial Commercial land for propagation was placed in a pot measuring 8 cm in diameter and 6.5 cm in height and in the pot, seeds of Galium aparine were planted and then covered with soil approximately 0.5 cm thick and The plants were grown in a greenhouse. When the plants grew to the 1-2 leaf stages, a predetermined amount of a diluted chemical solution containing a compound (1-1) was sprayed evenly over the whole plants. Here, the diluted chemical solution was prepared in a manner similar to Test Example 1-1. After spraying, the plants were grown in a greenhouse and after 20 days of treatment, the effectiveness of Galium aparine was observed and evaluated.

Similarly, the present compounds (1-1) and (1-10) were also tested.

As a result, the compounds (1-1), (1-2) and (1-10) all showed an efficacy of 7 or more in a chemical treatment amount of 1000 g / 10,000 m2.

Test 2-1 Pre-emergence treatment test Field soil sterilized with steam was placed in a pot measuring 8 cm in diameter and 6.5 cm in height and in the pot, seeds of Echinochloa crus-galli were planted and then covered with approximately 0.5 cm thick soil. Next, a predetermined amount of a diluted chemical solution containing a compound (1-1) was uniformly sprayed onto the surface of the soil. Here, the diluted chemical solution was prepared in a manner similar to Test Example 1-1. After the chemical treatment, the plants were grown in a greenhouse and after three weeks of spraying, the efficacy of Echinochloa crus-galli was observed and evaluated.

Similarly, the present compounds (1-2) to (1-8), (1-10), (1-11) and (1-13) were also evaluated.

As a result, the compounds (1-2) to (1-8), (1-10), (1-11) and (1-13) all showed an efficacy of 7 or more in a chemical treatment amount of 1000 g / 10,000 m2.

It is noted that in relation to this date, the best method known to the applicant to carry out the aforementioned invention, is that which is clear from the present description of the invention.

Claims

CLAIMS Having described the invention as above, the content of the following claims is claimed as property:

1. A dihydropyrone compound of the formula (I): characterized because m is 1, 2 or 3; n is an integer of any of 1 to 5; X represents O, S, S (O) or S (O) 2; R1 represents a hydrogen atom or a methyl group R2 and R3 represent, independently of each other, a hydrogen atom, a halogen atom, an alkyl group of Ci-s, a haloalkyl group of Ci-6, a cycloalkyl group of C3-8 or a C3-8 halocycloalkyl group, alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 or R2 and R3 combine with each other to represent a C1-3 alkylidene group which optionally has one or more halogen atoms (provided that, when m is 2 or 3, two or three R 2 may be the same or different from each other and two or three R 3 may be the same or different from each other); When X represents S, S (O) or S (0) 2, R4 represents a C3-7 cycloalkyl group optionally substituted with methyl group or ethyl group, an alkyl group of Ci-ie, a haloalkyl group of Ci-ie, Un (C 1-6 alkoxy) C 1-12 alkyl, a group (alkylthio) C1-6) -C1-12 alkyl, a C3-18 alkenyl group, a C3-18 haloalkenyl group, a C3-18 alkynyl group, a C3-18 haloalkynyl group, a C6-10 aryl group or a heteroaryl group of five or six members. { provided that the C6-10 aryl group and the five or six member heteroaryl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (C 1-6 alkyl) amino, a group (C 1-6 alkyl) (Ci-e alkyl) amino, a pentafluorothio group, a C 1-6 alkyl group, a C 2-6 alkenyl group, an alkynyl group of C2-6, a C1-6 alkoxy group, a C1-6 alkylthio group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, an aryl group of Ce-io, an aryloxy group of Ce -io, a C1-6 alkylsulfinyl group, a C1-6 alkylsulfonyl group, a hydroxyl group, a (Ci-b) alkylcarbonyl group, a hydroxycarbonyl group, a (Ci-b) alkoxycarbonyl group and a group (C6-10 aryl) -alkoxy of Ci_6 and, when there are two or more substituents, the substituents may be the same or different from each other; and the C 1-6 alkyl group, the C 2-6 alkenyl group, the C 2-6 alkynyl group, the C 1-6 alkoxy group, the C 1-6 alkylthio group, the alkenyloxy group of C3-6, the alkynyloxy group of C3-6, the aryl group of Ce-io, the aryloxy group of C6-10, the alkylsulfinyl group of C1-6, the alkylsulfonyl group of C1-6, the group (alkoxy of Ci -6) carbonyl and the group (C6-10 aryl) -C1-6alkoxy can each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or C1-3 haloalkyl groups, halogen atoms or C1-3 haloalkyl groups may be the same or different from each other, respectively}; when X represents O, R4 represents an aryl group of C6-10 or a heteroaryl group of five or six members. { provided that the aryl group of Ce-io and the heteroaryl group of five or six members may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-6-alkyl) amino, a group (Ci- (alkyl) alkyl (Ci-b) amino, a pentafluorothio group, a C 1-6 alkyl group, a C 2-6 alkenyl group, an alkynyl group of C2-6, an alkoxy group of Ci-6, an alkylthio group of C1-6, an alkenyloxy group of C3-6, a alkynyloxy group of C3-6, a aryl group of C6-10, an aryloxy group of Ce- io, an alkylsulfinyl group of Ci-6, a C 1-6 alkylsulfonyl group, a hydroxyl group, a group (C 1-6 alkyl) carbonyl, a hydroxycarbonyl group, a group (C 1-6 alkoxy) carbonyl and a group (C6-10 aryl) -C1-6 alkoxy and, when there are two or more substituents, the substituents may be the same or different from each other; and C 1-6 alkyl group, C 2-6 alkenyl group, C 2-6 alkynyl group, C 1-6 alkoxy group, C 1-6 alkylthio group, C 3-6 alkenyloxy group, C3-6 alkynyloxy group, the C6-10 aryl group, the C6-10 aryloxy group, the C1-6 alkylsulfinyl group, the C1-6 alkylsulfonyl group, the (C6-6 alkoxy) carbonyl group and the group (C6-10 aryl) -C1-6 alkoxy can each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or haloalkyl groups of Ci- 3, the halogen atoms or the C1-3 haloalkyl groups can be the same or different from each other, respectively}; G represents a hydrogen atom or a group of any of the following formulas: where L represents an oxygen atom (0) or a sulfur atom (S); R5 represents an alkyl group of Ci-6, a cycloalkyl group of C3-8, an alkenyl group of C2-6, a alkynyl group of C2-6, an aryl group of Ce-io, a group (aryl of Ce-io) ) -alkyl Ci-6, an alkoxy group of Ci-e, a cycloalkoxy group of C3-8, an alkenyloxy group of C3-6, a group C3-6 alkynyloxy, an aryloxy group of Ce-io, a group (C6-10 aryl) -C1-6alkoxy, a group (Ci_6 alkyl) (Ci-e alkyl) amino, a group (alkenyl) of C3-6) (C3-6 alkenyl) amino, a group (Ci-6 alkyl) (C6-10 aryl) amino or a five or six membered heteroaryl group (provided that these groups can each have they are one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other, and the cycloalkyl group of C3-8, the aryl group of C6-10, an aryl group (Ce-io aryl) -C1-6 alkyl, the C3-8 cycloalkoxy group, the C6-10 aryloxy group, an aryl group (C6-10 aryl) - C1-6 alkoxy group, an aryl residue of the group (Ci-b alkyl) (C6-10 aryl) amino and a heteroaryl group of five to six members may each have one or more C1-e alkyl groups and when there are two or more C 1-6 alkyl groups, the alkyl groups may be the same or different yes yes; R6 represents a C1-6 alkyl group, a C6-10 aryl group or a (C1-6 alkyl) (Ci-6 alkyl) amino group (provided that these groups may each have one or more atoms of halogen and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other, and the aryl group of C6-10 may optionally have one or more C1-6 alkyl groups and when there are two or more C 1-6 alkyl groups, alkyl groups they can be the same or different from each other); R7 represents a hydrogen atom or an alkyl group of Ci-6; W represents an alkoxy group of Ci-6, an alkylthio group of Ci-6, an alkylsulfinyl group of Ci-6 or an alkylsulfonyl group of Ci-6 (provided that these groups can each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other)}; Z represents a halogen atom, a cyano group, a nitro group, an alkyl group of Ci-6, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-6 alkoxy group, a group ( C 1-6 alkylcarbonyl, a C 1-6 alkylthio group, a C 6-10 aryloxy group, a five or six membered heteroaryloxy group, a C 3-8 cycloalkyl group, an aryl group of C & a heteroaryl group of five or six members. { provided that the C1-6 alkyl group, the C2-6 alkenyl group, the C2-6 alkynyl group, the C1-6 alkoxy group, the (C1-b) alkyl group, and the alkylthio group of C1 -6 each may have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other; and the aryl group of C6-10, the heteroaryl group of five to six members, the aryloxy group of C6-10 and the heteroaryloxy group of five to six members can each have one or more substituents selected from the group consisting of a halogen atom, an alkyl group of Ci-6 and a haloalkyl group of Ci-6 and, when there are two or more substituents, the substituents may be the same or different from each other; and the C3-8 cycloalkyl group may optionally have one or more substituents selected from the group consisting of a halogen atom and a C1-6 alkyl group and, when there are two or more substituents, the substituents may be the same or different from yes; when n is an integer of 2 or more, Z may be the same or different from each other} ]

2. The dihydropyrone compound according to claim 1, characterized in that m is 1, 2 or 3; n is an integer of any of 1 to 3; R1 represents a hydrogen atom or a methyl group; R2 and R3 represent, independently of each other, a hydrogen atom or a C1-3 alkyl group, alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 (provided that, when is 2 or 3, two or three R2 may be the same or different from each other and two or three R3 may be the same or different from each other); G represents a hydrogen atom or a group of any of the following formulas: to l where R5a represents an alkyl group of Ci_6, an aryl group of Ce-10, an alkoxy group of Ci-6, an alkenyloxy group of C3-6, a alkynyloxy group of C3-6 or an aryloxy group of Ce-10; R6a represents an alkyl group of Ci-b; Y Wa represents a C1-3 alkoxy group}; Z represents a halogen atom, a C1-3 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-3 alkoxy group, a C3-8 cycloalkyl group, a nitro group , a phenyl group or a heteroaryloxy group of five to six members (provided that the C1-3 alkyl group, the C2-6 alkenyl group, the C2-6 alkynyl group, the C1-3 alkoxy group, the group phenyl and the five to six membered heteroaryloxy group may optionally have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other).

3. The dihydropyrone compound according to claim 2, characterized in that m is 2; R2 and R3 represent, independently of each other, a hydrogen atom, a methyl group or an ethyl group, alternatively R2 and R3 are connected to each other to represent an ethylene chain (provided that two R2 may be the same or different) each other and two R3 may be the same or different from each other); G represents a hydrogen atom, an acetyl group, a propionyl group, a butylcarbonyl group, a benzoyl group, a methylsulfonyl group, a methoxycarbonyl group, an ethoxycarbonyl group, an allyloxycarbonyl group, a phenoxycarbonyl group, a methoxymethyl group or an ethoxymethyl group; R9 represents a hydrogen atom, a 2-nitrophenylsulfonyl group or a methyl group; Z represents a methyl group, an ethyl group, a phenyl group, a vinyl group, a cyclopropyl group, a nitro group, a fluorine atom, a chlorine atom, a bromine atom, a methoxy group, a trifluoromethyl group, a 5-trifluoromethyl-2-chloropyridyloxy group or an ethynyl group.

4. The dihydropyrone compound according to any of claims 1 to 3, characterized in that X represents S, S (O) or S (0) 2; Y R4 represents a cycloalkyl group of C3-7 optionally substituted with methyl group or ethyl group, a C1-6 alkyl group, a haloalkyl group of Ci-6, a C3-6 alkenyl group, a C3-6 haloalkenyl group, a C3-6 alkynyl group, a C3-6 haloalkynyl group, a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a 2-thienyl group or a 2-thiazolyl group, a 2-oxazolyl group, a 2- (1,3,4-) group thiadiazolyl) or a 5-tetrazolyl group. { whenever the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the 2-pyrimidinyl group, the 2-furyl group, the 2-thienyl group, the 2-thiazolyl group, the 2-oxazolyl group, the 2- (1,3,4-thiadiazolyl) group or the 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a C1-3 alkyl group, a hydroxyl group, a group (C1-3 alkyl) carbonyl, a group (C1-3 alkoxy) carbonyl, an alkoxy group of Ci-3, a haloalkyl group of C1-3, an alkylthio group of C1-3, a haloalkylthio group of C1- 3, a cyano group, a nitro group, an amino group, a pentafluorothio group, a benzoylamino group and a C1-3 haloalkoxy group and, when there are two or more substituents, the substituents may be the same or different from each other.

5. The dihydropyrone compound according to claim 4, characterized in that X represents S, S (O) or S (O) 2; Y R 4 represents a methyl group, an ethyl group, a propyl group, a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a group 2-thienyl, a 2-thiazolyl group, a 2-oxazolyl group, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group. { provided that the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the group 2-pyrimidinyl, the 2-furyl group, the 2-thienyl group, a 2-thiazolyl group, a 2-oxazolyl group, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a chlorine atom, a bromine atom, an iodine atom, a fluorine atom, a methyl group, an ethyl group, an isopropyl group, a t-butyl group, a group methoxy, a nitro group, an amino group, a cyano group, a hydroxyl group, an acetyl group, a methoxycarbonyl group, a pentafluorothio group, a pentafluoroethyl group, a difluoroethyl group, a heptafluoroisopropyl group, a trifluoromethylthio group, a benzoylamino group, a trifluoromethoxy group and a trifluoromethyl group.

6. The dihydropyrone compound according to any of claims 1 to 3, characterized in that X represents 0; Y R4 represents a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a 2-thienyl group, a 2-thiazolyl group, a group 2-oxazolyl, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group. { provided that the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the 2-pyrimidinyl group, the 2-furyl group, the 2-thienyl group, the 2-thiazolyl group, the group 2-oxazolyl, the group 2- (1,3,4- thiadiazolyl) or the 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a C1-3 alkyl group, a hydroxyl group, a (C1-3 alkyl) carbonyl group, a group (C1-3 alkoxy) carbonyl, a C1-3 alkoxy group, a C1-3 haloalkyl group, a Ci-3-thio alkyl group, a C1-3 haloalkylthio group, a cyano group, a group nitro, an amino group, a pentafluorothio group, a benzoylamino group and a C1-3 haloalkoxy group and, when there are two or more substituents, the substituents may be the same or different from each other.

7. The dihydropyrone compound according to claim 6, characterized in that X represents 0; Y R4 represents a phenyl group, a 2-pyridyl group, a 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 2-furyl group, a 2-thienyl group, a 2-thiazolyl group, a group 2-oxazolyl, a 2- (1,3,4-thiadiazolyl) group or a 5-tetrazolyl group. { provided that the phenyl group, the 2-pyridyl group, the 3-pyridyl group, the 4-pyridyl group, the 2-pyridinyl group, the 2-furyl group, the 2-thienyl group, the 2-thiazolyl group, the 2-oxazolyl group, 2- (1,3,4-thiadiazolyl) group or 5-tetrazolyl group may optionally have one or more substituents selected from the group consisting of a chlorine atom, a bromine atom, an atom of iodine, a fluorine atom, a methyl group, an ethyl group, an isopropyl group, a t-butyl group, a methoxy group, a nitro group, an amino group, a cyano group, a hydroxyl group, an acetyl group, a methoxycarbonyl group, a pentafluorothio group, a pentafluoroethyl group, a difluoroethyl group, a heptafluoroisopropyl group, a trifluoromethylthio group, a benzoylamino group, a trifluoromethoxy group and a trifluoromethyl group.

8. The dihydropyrone compound according to any of claims 1 to 7, characterized in that G represents a hydrogen atom.

9. A herbicide characterized in that it comprises a dihydropyrone compound according to any of claims 1 to 8 as an active ingredient and an inert carrier.

10. A method of weed control characterized in that it comprises the application of an effective amount of a dihydropyrone compound of the formula (I) to weeds or to the soil where the weeds grow, wherein the dihydropyrone compound of the formula (I) is a compound represented by a formula: where m is 1, 2 or 3; n is an integer of any of 1 to 5; X represents O, S, S (O) or S (O) 2; R1 represents a hydrogen atom or a methyl group; R2 and R3 represent, independently of each other, a hydrogen atom, a halogen atom, an alkyl group of Ci-6, a haloalkyl group of Ci-6, a cycloalkyl group of C3-e or a halocycloalkyl group of C3- 8, alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 or R2 and R3 combine with each other to represent a C1-3 alkylidene group which optionally has one or more halogen atoms (always that, when m is 2 or 3, two or three R 2 may be the same or different from each other and two or three R 3 may be the same or different from each other); when X represents S, S (0) or S (0) 2, R4 represents a C3-7 cycloalkyl group optionally substituted with methyl group or ethyl group, an alkyl group of Ci-ib, a haloalkyl group of Ci-ib, a group (C 1-6 alkoxy) - C 1-12 alkyl, a group (alkylthio Oe) - C 1-12 alkyl, a C 3-18 alkenyl group, a C3-haloalkenyl group, an alkynyl group of C3-18, a haloalkynyl group of C3-IB, an aryl group of C6-10 or a heteroaryl group of five or six members. { provided that the aryl group of Ce-io and the heteroaryl group of five or six members may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-6 alkyl) amino, a group (Ci-b alkyl) (Ci-6 alkyl) amino), a pentafluorothio group, an Ci_6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-6 alkoxy group, a C1-6 alkylthio group, an C3 alkenyloxy group -6, a C3-6 alkynyloxy group, a C6-10 aryl group, a C6-10 aryloxy group, a C1-6 alkylsulfinyl group, an Ci-6 alkylsulfonyl group, a hydroxyl group, a group ( Ci-6 alkylcarbonyl, a hydroxycarbonyl group, a (Ci-b) alkoxycarbonyl group and a (C6-10 aryl) -C1-6alkoxy group and, when there are two or more substituents, the substituents may be equal or different from each other; and the alkyl group of Ci-e, the alkenyl group of C2-6, the alkynyl group of C2-6, the alkoxy group of C1-6, the alkylthio group of C1-6, the alkenyloxy group of C3-6, the C3-6 alkynyloxy group, the C6-10 aryl group, the C6-10 aryloxy group, the C1-6 alkylsulfinyl group, the C1-6 alkylsulfonyl group, the (Ci-b) alkoxycarbonyl group and the group (C6-10 aryl) -C1-6 alkoxy can each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or C1- haloalkyl groups 3, the halogen atoms or the C1-3 haloalkyl groups can be the same or different from each other, respectively}; when X represents O, R 4 represents an aryl group of Ce-io or a heteroaryl group of five or six members. { provided that the aryl group of Ce-io and the heteroaryl group of five or six members may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci-b) alkylamino, a group (Ci-e alkyl) (CI-Q alkyl) amino, a pentafluorothio group, an Ci-6 alkyl group, a C 2-6 alkenyl group, an alkynyl group of C2-6, a C1-6 alkoxy group, an alkylthio group of Ci_s, an alkenyloxy group of C3-6, an alkynyloxy group of C3-6, an aryl group of Ce-io, an aryloxy group of Ce-io , a C1-6 alkylsulfinyl group, a C1-6 alkylsulfonyl group, a hydroxyl group, a (Ci-b) alkylcarbonyl group, a hydroxycarbonyl group, a (C1-6 alkoxy) carbonyl group and a group ( C6-10 aryl) -C1-6 alkoxy and, when there are two or more substituents, the substituents may be the same or different from each other; and the C1-6 alkyl group, the C2-6 alkenyl group, the C2-6 alkynyl group, the C1-6 alkoxy group, the alkylthio group of Ci-e, the alkenyloxy group of C3-6, the alkynyloxy group of C3-6, the aryl group of Ce-io, the aryloxy group of Ce-io, the alkylsulfinyl group of C1-6, the alkylsulfonyl group of C1-6, the group (alkoxy of Ci-6) carbonyl and the group (C6-10 aryl) -C1-6 alkoxy can each have one or more halogen atoms or groups C1-3 haloalkyl and, when there are two or more halogen atoms or C1-3 haloalkyl groups, the halogen atoms or C1-3 haloalkyl groups may be the same or different from each other, respectively}; G represents a hydrogen atom or a group of any of the following formulas: where L represents an oxygen atom (0) or a sulfur atom (S); R5 represents an alkyl group of Ci-6, a cycloalkyl group of C3-8, a C2-6 alkenyl group, a C2-6 alkynyl group, a C6-10 aryl group, a group (C6-10 aryl) ) -C1-6 alkyl, a C1-6 alkoxy group, a C3-8 cycloalkoxy group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, a C6-10 aryloxy group, a group ( C6-10 aryl) -Ci-6 alkoxy, a group (Ci-6 alkyl) (Ci-b) alkyl amino, a group (C3-6 alkenyl) (C3-6 alkenyl) amino, a group (Ci-b) alkyl (Ce-io) amino) or a five or six membered heteroaryl group (provided that these groups can each have one or more halogen atoms and when there are two or more halogen atoms) halogen, the halogen atoms may be the same or different from each other, and the cycloalkyl group of C3-8, the aryl group of C6-10, a aryl residue of the group (Cs-io aryl) -Cl-e alkyl, the C3-8 cycloalkoxy group, the C6-10 aryloxy group, an aryl group (C6-10 aryl) -Cl alkoxy group -6, an aryl residue of the group (C 1-6 alkyl) (C 6-10 aryl) amino and a heteroaryl group of five to six members can each have one or more C 1-6 alkyl groups and when they exist two or more Ci-e alkyl groups, the alkyl groups may be the same or different from each other); R6 represents a C1-6 alkyl group, a C6-10 aryl group or a (C1-6 alkyl) (C1-6 alkyl) amino group (provided that these groups may each have one or more atoms of halogen and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other, and the aryl group of C6-10 may optionally have one or more C1-6 alkyl groups and when there are two or more alkyl groups of Ci_6, the alkyl groups may be the same or different from each other); R7 represents a hydrogen atom or a C1-6 alkyl group; W represents a C 1-6 alkoxy group, a C 1-6 alkylthio group, a C 1-6 alkylsulfinyl group or a C 1-6 alkylsulfonyl group (provided that these groups can each have one or more halogen atoms) and when there are two or more halogen atoms, the halogen atoms may be the same or different each } Z represents a halogen atom, a cyano group, a nitro group, an alkyl group of Ci-6, an alkenyl group of C 2-6, a alkynyl group of C 2-6, an alkoxy group of Ci-e, a group ( C 1-6 alkylcarbonyl, an alkylthio group of Ci-6, a C 6-10 aryloxy group, a five or six membered heteroaryloxy group, a C 3-8 cycloalkyl group, an aryl group of Ce-1 or a five or six member heteroaryl group. { provided that the C1-6 alkyl group, the C2-6 alkenyl group, the C2-6 alkynyl group, the Ci-b alkoxy group, the (Ci-b) alkyl group, and the alkylthio group of C1 -6 may each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other; and the aryl group of Ce-10, the heteroaryl group of five to six members, the aryloxy group of Ce-io and the heteroaryloxy group of five to six members can each have one or more substituents selected from the group consisting of a halogen atom, a C 1-6 alkyl group and a C 1-6 haloalkyl group and, when there are two or more substituents, the substituents may be the same or different from each other; and the C3-8 cycloalkyl group may optionally have one or more substituents selected from the group consisting of a halogen atom and a C1-6 alkyl group and, when there are two or more substituents, the substituents may be the same or different from each other; when n is an integer of 2 or more, Z may be the same or different from each other} ]

11. Use of a dihydropyrone compound of the formula (I) to control weeds, wherein the dihydropyrone compound of the formula (I) is a compound represented by a formula: where m is 1, 2 or 3; n is an integer of any of 1 to 5; X represents 0, S, S (O) or S (0) 2; R1 represents a hydrogen atom or a methyl group; R2 and R3 represent, independently of each other, a hydrogen atom, a halogen atom, an alkyl group of Ci-6, a haloalkyl group of Ci-6, a cycloalkyl group of C3- or a halocycloalkyl group of C3- 8, alternatively R2 and R3 are connected to each other to represent an alkylene chain of C2-5 or R2 and R3 combine with each other to represent a C1-3 alkylidene group which optionally has one or more halogen atoms (always that, when m is 2 or 3, two or three R2 may be the same or different from each other and two or three R3 may be the same or different from each other); when X represents S, S (O) or S (O) 2, R4 represents a C3-7 cycloalkyl group optionally substituted with methyl group or ethyl group, an alkyl group of Ci-ib, a haloalkyl group of Ci-ie, a group (Ci-b) alkoxy-C1-12 alkyl, a group (Ci-b alkylthio) -C 1-12 alkyl, a C3-18 alkenyl group, a C3-18 haloalkenyl group, a group C3-18 alkynyl, a C3-18 haloalkynyl group, a C6-io aryl group or a five or six membered heteroaryl group. { provided that the aryl group of Ce-io and the heteroaryl group of five or six members may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci_6 alkyl) amino, a group (Ci-b alkyl) (Ci-b) alkyl amino, a pentafluorothio group, a C1-6 alkyl group, a C2-6 alkenyl group, a C2 alkynyl group -6, a C1-6 alkoxy group, a C1-6 alkylthio group, a C3-6 alkenyloxy group, a C3-6 alkynyloxy group, an aryl group of Ce-io, a C6-io aryloxy group , an alkylsulfinyl group of C 1-6, an alkylsulfonyl group of Ci-6, a hydroxyl group, a group (C 1-6 alkyl) carbonyl, a hydroxycarbonyl group, a group (Ci-6 alkoxy) carbonyl and a group ( aryl of Ce-io) -alkoxy of C 1-6 and, when there are two or more substituents, the substituents may be the same or Different from each other; and the alkyl group of Ci-6, the alkenyl group of C2-6, the alkynyl group of C2-6, the alkoxy group of C1-6, the alkylthio group of C1-6, the alkenyloxy group of C3-6, the C3-6 alkynyloxy group, the C6-10 aryl group, the aryloxy group of Ce-co, the alkylsulfinyl group of Ci-b, the alkylsulfonyl group of C1-6, the group (Ci-6 alkoxy) carbonyl and the group (C6-10 aryl) -alkoxy of Ci-6 may each have one or more halogen atoms or haloalkyl groups of C1-3 and, when there are two or more halogen atoms or haloalkyl groups of C1- 3, the halogen atoms or the C1-3 haloalkyl groups can be the same or different from each other, respectively}; when X represents O, R4 represents an aryl group of C6-10 or a heteroaryl group of five or six members. { provided that the C6-10 aryl group and the five or six member heteroaryl group may optionally have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a group (Ci_6 alkyl) amino, a group (Ci-b alkyl) (Ci-b) alkyl amino, a pentafluorothio group, a C1-6 alkyl group, a C2-6 alkenyl group, a C2 alkynyl group -6, an alkoxy group of Ci_6, an alkylthio group of C1-6, an alkenyloxy group of C3-6, a alkynyloxy group of C3-6, a aryl group of C6-10, a aryloxy group of C6-io, an Ci-6 alkylsulfinyl group, an alkylsulfonyl group of Ci-6, a hydroxyl group, a group (Ci-e alkyl) carbonyl, a hydroxycarbonyl group, a (Ci-e) alkoxycarbonyl group and an (Oe-io) aryl-Ci-6 alkoxy group and, when there are two or more substituents, the substituents may be the same or different from each other; and the alkyl group of Ci-6, the alkenyl group of C2-6, the alkynyl group of C2-6, the alkoxy group of C1-6 the alkylthio group of C1-6, the alkenyloxy group of C3-6, the group C3-6 alkynyloxy, the C6-io aryl group, the C6-10 aryloxy group, the C1-6 alkylsulfinyl group, the C1-6 alkylsulfonyl group, the (Ci-e) alkoxycarbonyl group and the group (C6-10 aryl) -C1-6 alkoxy can each have one or more halogen atoms or C1-3 haloalkyl groups and, when there are two or more halogen atoms or C1-3 haloalkyl groups , the halogen atoms or the C1-3 haloalkyl groups may be the same or different from each other, respectively}; G represents a hydrogen atom or a group of any of the following formulas: where L represents an oxygen atom (0) or a sulfur atom (S); R5 represents an alkyl group of Ci-6 / a group C3-8 cycloalkyl, a C2-6 alkenyl group, a C2-6 alkynyl group, an aryl group of Ce-io, a (C6-io aryl) -Ci-6 alkyl group, an alkoxy group of Ci-s, a C3-8 cycloalkoxy group, an alkenyloxy group of C3-6, an alkynyloxy group of C3-6, an aryloxy group of Ce-io, a group (C6-10 aryl) -alkoxy of Ci- 6, a group (Ci-b alkyl) (Ci-e alkyl) amino, a group (C3-6 alkenyl) (C3-6 alkenyl) amino, a group (Ci-e alkyl) (aryl C6-10) amino or a five or six membered heteroaryl group (provided that these groups may each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different with each other, and the C3-8 cycloalkyl group, the aryl group of Ce-io, an aryl residue of the group (aryl of Ce-io) -alkyl of C1-6, the cycloalkoxy group of C3-8, the aryloxy group of Ce-io, an aryl residue of the group (C6-10 aryl) -C1-6alkoxy, an aryl residue of the group (Ci-e alkyl) (C6-io aryl) amino and a heteroaryl group of five to six members can each have one or more C1-6 alkyl groups and when there are two or more C1-6 alkyl groups, the alkyl groups can be same or different from each other); R6 represents a C1-6 alkyl group, a C6-10 aryl group or a (Ci_6 alkyl) (Ci-e) alkyl amino group (provided that these groups can each have one or more halogen atoms) and when there are two or more atoms of halogen, the halogen atoms may be the same or different from each other; and the C6-10 aryl group may optionally have one or more Ci-6 alkyl groups and when there are two or more Ci-b alkyl groups, the alkyl groups may be the same or different from each other); R7 represents a hydrogen atom or an alkyl group of Ci-s; W represents an alkoxy group of Ci-6, an alkylthio group of Ci-6, an alkylsulfinyl group of Ci-6 or an alkylsulfonyl group of Ci-6 (provided that these groups can each have one or more halogen atoms and when there are two or more halogen atoms, the halogen atoms may be the same or different from each other)}; Z represents a halogen atom, a cyano group, a nitro group, an Ci_6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-6 alkoxy group, a (alkyl) group, Ci-6) carbonyl, a C1-6 alkylthio group, a C6-10 aryloxy group, a five or six membered heteroaryloxy group, a C3-8 cycloalkyl group, a C6-10 aryl group or a heteroaryl group of five or six members. { provided that the alkyl group of Ci-e, the alkenyl group of C2-6, the alkynyl group of C2-6, the alkoxy group of Ci-e, the group (alkyl of Ci-b) carbonyl and the alkylthio group of C1 -6 each may have one or more halogen atoms and when there are two or more halogen atoms, the atoms of halogen can be the same or different from each other; and the aryl group of C6-10, the heteroaryl group of five to six members, the aryloxy group of Ce-io and the heteroaryloxy group of five to six members can each have one or more substituents selected from the group consisting of a halogen atom, a C 1-6 alkyl group and a C 1-6 haloalkyl group and, when there are two or more substituents, the substituents may be the same or different from each other; and the C3-8 cycloalkyl group may optionally have one or more substituents selected from the group consisting of a halogen atom and a C1-6 alkyl group and, when there are two or more substituents, the substituents may be the same or different from yes; when n is an integer of 2 or more, Z may be the same or different from each other.